diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/AnnotatingElement.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/AnnotatingElement.cs
index 39a31346..f657276b 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/AnnotatingElement.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/AnnotatingElement.cs
@@ -52,6 +52,7 @@ public partial class AnnotatingElement : IAnnotatingElement
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -60,9 +61,10 @@ public partial class AnnotatingElement : IAnnotatingElement
         /// AnnotatingElement.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594145755058_99428_86", aggregation: AggregationKind.None, lowerValue: 1, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IAnnotatingElement.AnnotatedElement")]
         public List<IElement> QueryAnnotatedElement()
         {
-            throw new NotImplementedException("Derived property AnnotatedElement not yet supported");
+            return this.ComputeAnnotatedElement();
         }
 
         /// <summary>
@@ -71,15 +73,17 @@ public List<IElement> QueryAnnotatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543094212714_953084_18407", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IAnnotatingElement.Annotation")]
         public List<IAnnotation> QueryAnnotation()
         {
-            throw new NotImplementedException("Derived property Annotation not yet supported");
+            return this.ComputeAnnotation();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -89,6 +93,7 @@ public List<IAnnotation> QueryAnnotation()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -97,9 +102,10 @@ public List<IAnnotation> QueryAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -107,6 +113,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -117,15 +124,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -135,9 +144,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -147,9 +157,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_4_12e503d9_1703019570915_375100_18", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IAnnotatingElement.OwnedAnnotatingRelationship")]
         public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotatingRelationship not yet supported");
+            return this.ComputeOwnedAnnotatingRelationship();
         }
 
         /// <summary>
@@ -159,9 +170,10 @@ public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -169,9 +181,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -179,6 +192,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -186,9 +200,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -197,9 +212,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_2022x_2_12e503d9_1735188506571_308678_376", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
+        [Implements(implementation: "IAnnotatingElement.OwningAnnotatingRelationship")]
         public IAnnotation QueryOwningAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwningAnnotatingRelationship not yet supported");
+            return this.ComputeOwningAnnotatingRelationship();
         }
 
         /// <summary>
@@ -208,9 +224,10 @@ public IAnnotation QueryOwningAnnotatingRelationship()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -219,9 +236,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -229,6 +247,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -240,9 +259,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -252,9 +272,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -263,9 +284,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Association.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Association.cs
index 613d54e1..d7e90785 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Association.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Association.cs
@@ -56,6 +56,7 @@ public partial class Association : IAssociation
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -65,15 +66,17 @@ public partial class Association : IAssociation
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562477648742_24204_22901", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IAssociation.AssociationEnd")]
         public List<IFeature> QueryAssociationEnd()
         {
-            throw new NotImplementedException("Derived property AssociationEnd not yet supported");
+            return this.ComputeAssociationEnd();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -83,6 +86,7 @@ public List<IFeature> QueryAssociationEnd()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -95,9 +99,10 @@ public List<IFeature> QueryAssociationEnd()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -105,9 +110,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -116,9 +122,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -126,6 +133,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -134,9 +142,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IAssociation.AssociationEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -144,9 +153,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -155,9 +165,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -165,9 +176,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -175,9 +187,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -186,9 +199,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -196,9 +210,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -211,9 +226,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -221,15 +237,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -237,6 +255,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -247,15 +266,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -267,6 +288,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -274,9 +296,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -284,9 +307,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -296,9 +320,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -308,9 +333,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -318,9 +344,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -330,9 +357,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -341,9 +369,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -353,9 +382,10 @@ public IConjugation QueryOwnedConjugator()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -365,9 +395,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -375,9 +406,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -386,9 +418,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -396,9 +429,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -408,9 +442,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -420,9 +455,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -431,9 +467,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -442,9 +479,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -455,9 +493,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -465,6 +504,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -472,6 +512,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -481,9 +522,10 @@ public List<IMembership> QueryOwnedMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -492,9 +534,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -503,9 +546,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -513,9 +557,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -524,9 +569,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -535,9 +581,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -545,6 +592,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -552,6 +600,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -563,9 +612,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -574,9 +624,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IAssociation.RelatedType")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -585,9 +636,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_4339_43349", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IAssociation.RelatedType")]
         public List<IType> QueryRelatedType()
         {
-            throw new NotImplementedException("Derived property RelatedType not yet supported");
+            return this.ComputeRelatedType();
         }
 
         /// <summary>
@@ -597,9 +649,10 @@ public List<IType> QueryRelatedType()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -607,7 +660,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.SourceType")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IAssociation.SourceType")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedType for this Association. It is the first relatedType of the Association.
@@ -615,9 +670,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594939013292_377668_3566", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IAssociation.SourceType")]
         public IType QuerySourceType()
         {
-            throw new NotImplementedException("Derived property SourceType not yet supported");
+            return this.ComputeSourceType();
         }
 
         /// <summary>
@@ -625,7 +681,9 @@ public IType QuerySourceType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.TargetType")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IAssociation.TargetType")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedTypes for this Association. This includes all the relatedTypes other than the
@@ -634,9 +692,10 @@ public IType QuerySourceType()
         [Property(xmiId: "_19_0_2_12e503d9_1594939237325_861933_3707", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IAssociation.TargetType")]
         public List<IType> QueryTargetType()
         {
-            throw new NotImplementedException("Derived property TargetType not yet supported");
+            return this.ComputeTargetType();
         }
 
         /// <summary>
@@ -645,9 +704,10 @@ public List<IType> QueryTargetType()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -658,9 +718,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Dependency.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Dependency.cs
index 871dd7c2..534d0d80 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Dependency.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Dependency.cs
@@ -54,6 +54,7 @@ public partial class Dependency : IDependency
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -61,12 +62,14 @@ public partial class Dependency : IDependency
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594006406653_175551_182", aggregation: AggregationKind.None, lowerValue: 1, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IDependency.Client")]
         public List<IElement> Client { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -76,6 +79,7 @@ public partial class Dependency : IDependency
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -84,9 +88,10 @@ public partial class Dependency : IDependency
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -94,6 +99,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -101,6 +107,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -111,15 +118,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -129,9 +138,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -141,9 +151,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -151,9 +162,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -161,6 +173,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -168,6 +181,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -175,9 +189,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -186,9 +201,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -197,9 +213,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -207,6 +224,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -214,6 +232,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -225,9 +244,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -235,9 +255,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -247,9 +268,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -257,13 +279,16 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IDependency.Client")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IDependency.Client")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The Element or Elements on which the client Elements depend in some respect.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594006525044_548771_207", aggregation: AggregationKind.None, lowerValue: 1, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IDependency.Supplier")]
         public List<IElement> Supplier { get; set; }
 
         /// <summary>
@@ -271,7 +296,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IDependency.Supplier")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IDependency.Supplier")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -279,9 +306,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/EnumerationDefinition.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/EnumerationDefinition.cs
index 7be81342..92bb13ec 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/EnumerationDefinition.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/EnumerationDefinition.cs
@@ -77,12 +77,14 @@ public partial class EnumerationDefinition : IEnumerationDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -92,6 +94,7 @@ public partial class EnumerationDefinition : IEnumerationDefinition
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -104,9 +107,10 @@ public partial class EnumerationDefinition : IEnumerationDefinition
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -114,9 +118,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -125,9 +130,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -136,9 +142,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -146,6 +153,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -153,9 +161,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -164,9 +173,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946634788_959145_265", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1590979457191_746167_951")]
+        [Implements(implementation: "IEnumerationDefinition.EnumeratedValue")]
         public List<IEnumerationUsage> QueryEnumeratedValue()
         {
-            throw new NotImplementedException("Derived property EnumeratedValue not yet supported");
+            return this.ComputeEnumeratedValue();
         }
 
         /// <summary>
@@ -174,9 +184,10 @@ public List<IEnumerationUsage> QueryEnumeratedValue()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -185,9 +196,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -195,9 +207,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -205,9 +218,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -216,9 +230,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -226,9 +241,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -241,9 +257,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -251,15 +268,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -270,15 +289,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -290,6 +311,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -298,6 +320,7 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946783667_895456_287", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1590978283180_265362_419")]
+        [Implements(implementation: "IEnumerationDefinition.IsVariation")]
         bool IEnumerationDefinition.IsVariation { get; set; }
 
         /// <summary>
@@ -305,16 +328,19 @@ public bool QueryIsLibraryElement()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IEnumerationDefinition.IsVariation")] bool Systems.DefinitionAndUsage.IDefinition.IsVariation { get; set; }
+        [RedefinedByProperty("IEnumerationDefinition.IsVariation")]
+        [Implements(implementation: "IDefinition.IsVariation")]
+        bool Systems.DefinitionAndUsage.IDefinition.IsVariation { get; set; }
 
         /// <summary>
         /// The set of all member Elements of this Namespace, which are the memberElements of all memberships of
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -322,9 +348,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -334,9 +361,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -346,9 +374,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -356,9 +385,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -366,9 +396,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -376,9 +407,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -386,9 +418,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -398,9 +431,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -408,9 +442,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -418,9 +453,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -428,9 +464,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -438,9 +475,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -449,9 +487,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -461,9 +500,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -471,9 +511,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -483,9 +524,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -495,9 +537,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -505,9 +548,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -516,9 +560,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -526,9 +571,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -536,9 +582,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -548,9 +595,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -558,9 +606,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -570,9 +619,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -580,9 +630,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -591,9 +642,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -601,9 +653,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -612,9 +665,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -625,9 +679,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -635,9 +690,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -645,9 +701,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -655,9 +712,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -665,9 +723,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -675,9 +734,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -685,6 +745,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -692,9 +753,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -702,9 +764,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -714,9 +777,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -724,9 +788,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -735,9 +800,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -745,9 +811,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -756,9 +823,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -767,9 +835,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -777,9 +846,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -787,9 +857,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -797,9 +868,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -807,9 +879,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -817,9 +890,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -828,9 +902,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -839,9 +914,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -849,6 +925,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -860,9 +937,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -872,9 +950,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -883,9 +962,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -896,9 +976,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -906,9 +987,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -918,9 +1000,10 @@ public List<IUsage> QueryUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
         [RedefinedByProperty("IEnumerationDefinition.EnumeratedValue")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -930,9 +1013,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Feature.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Feature.cs
index d07ec187..4c9a78cd 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Feature.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Feature.cs
@@ -67,6 +67,7 @@ public partial class Feature : IFeature
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -78,9 +79,10 @@ public partial class Feature : IFeature
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -90,15 +92,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -108,6 +112,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -120,9 +125,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -130,9 +136,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -140,6 +147,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -148,9 +156,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -158,6 +167,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -165,9 +175,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -177,9 +188,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -187,9 +199,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -198,18 +211,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -219,9 +234,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -229,9 +245,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -239,9 +256,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -250,9 +268,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -260,9 +279,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -275,9 +295,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -285,6 +306,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -293,15 +315,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -309,12 +333,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -328,6 +354,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -338,21 +365,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -360,6 +390,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -371,12 +402,14 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -384,6 +417,7 @@ public bool QueryIsLibraryElement()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -391,9 +425,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -401,9 +436,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -413,9 +449,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -425,9 +462,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -435,9 +473,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -447,9 +486,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -458,9 +498,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -469,9 +510,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -481,9 +523,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -493,9 +536,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -503,9 +547,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -514,9 +559,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -524,9 +570,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -536,9 +583,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -548,9 +596,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -560,9 +609,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -572,9 +622,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -583,9 +634,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -594,9 +646,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -607,9 +660,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -618,9 +672,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -629,9 +684,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -639,6 +695,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -648,9 +705,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -660,9 +718,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -672,9 +731,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -684,9 +744,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -695,9 +756,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -705,9 +767,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -715,9 +778,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -726,9 +790,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -737,9 +802,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -747,6 +813,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -756,9 +823,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -770,9 +838,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -782,9 +851,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -793,9 +863,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -805,9 +876,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -818,9 +890,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/FeatureTyping.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/FeatureTyping.cs
index 47c2ea5f..8f43e987 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/FeatureTyping.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/FeatureTyping.cs
@@ -55,12 +55,14 @@ public partial class FeatureTyping : IFeatureTyping
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -70,6 +72,7 @@ public partial class FeatureTyping : IFeatureTyping
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -78,9 +81,10 @@ public partial class FeatureTyping : IFeatureTyping
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -88,6 +92,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -95,13 +100,16 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674980_563969_43273", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IFeatureTyping.Type")] public IType General { get; set; }
+        [RedefinedByProperty("IFeatureTyping.Type")]
+        [Implements(implementation: "ISpecialization.General")]
+        public IType General { get; set; }
 
         /// <summary>
         /// Whether this Relationship was generated by tooling to meet semantic rules, rather than being
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -112,15 +120,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -130,9 +140,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -142,9 +153,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -152,9 +164,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -162,6 +175,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -169,6 +183,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -176,9 +191,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -187,9 +203,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427753_801746_43", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_13273_21101")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_573157_43226")]
+        [Implements(implementation: "IFeatureTyping.OwningFeature")]
         public IFeature QueryOwningFeature()
         {
-            throw new NotImplementedException("Derived property OwningFeature not yet supported");
+            return this.ComputeOwningFeature();
         }
 
         /// <summary>
@@ -198,9 +215,10 @@ public IFeature QueryOwningFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -209,9 +227,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -219,6 +238,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -226,6 +246,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -235,9 +256,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
         [RedefinedByProperty("IFeatureTyping.OwningFeature")]
+        [Implements(implementation: "ISpecialization.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -249,9 +271,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -259,9 +282,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -271,9 +295,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -281,21 +306,27 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.Specific")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("ISpecialization.Specific")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// A Type with a subset of all instances of the general Type, which might be the same set.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674982_253967_43281", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
-        [RedefinedByProperty("IFeatureTyping.TypedFeature")] public IType Specific { get; set; }
+        [RedefinedByProperty("IFeatureTyping.TypedFeature")]
+        [Implements(implementation: "ISpecialization.Specific")]
+        public IType Specific { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.General")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("ISpecialization.General")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -303,9 +334,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -313,6 +345,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543180520185_480887_21131", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_563969_43273")]
+        [Implements(implementation: "IFeatureTyping.Type")]
         public IType Type { get; set; }
 
         /// <summary>
@@ -320,6 +353,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543180501615_13273_21101", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
+        [Implements(implementation: "IFeatureTyping.TypedFeature")]
         public IFeature TypedFeature { get; set; }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Flow.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Flow.cs
index 4b544c61..91ebb2b4 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Flow.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Flow.cs
@@ -59,6 +59,7 @@ public partial class Flow : IFlow
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -67,9 +68,10 @@ public partial class Flow : IFlow
         [Property(xmiId: "_18_5_3_12e503d9_1533160674983_471497_43284", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IFlow.Interaction")]
+        [Implements(implementation: "IConnector.Association")]
         public List<IAssociation> QueryAssociation()
         {
-            throw new NotImplementedException("Derived property Association not yet supported");
+            return this.ComputeAssociation();
         }
 
         /// <summary>
@@ -78,9 +80,10 @@ public List<IAssociation> QueryAssociation()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IFlow.Interaction")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -92,9 +95,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -104,9 +108,10 @@ public List<IFeature> QueryChainingFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1556735067666_827798_21922", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IConnector.ConnectorEnd")]
         public List<IFeature> QueryConnectorEnd()
         {
-            throw new NotImplementedException("Derived property ConnectorEnd not yet supported");
+            return this.ComputeConnectorEnd();
         }
 
         /// <summary>
@@ -116,15 +121,17 @@ public List<IFeature> QueryConnectorEnd()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -134,6 +141,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -142,9 +150,10 @@ public IFeature QueryCrossFeature()
         /// checkConnectorTypeFeaturing constraint.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737751598145_444042_71", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IConnector.DefaultFeaturingType")]
         public IType QueryDefaultFeaturingType()
         {
-            throw new NotImplementedException("Derived property DefaultFeaturingType not yet supported");
+            return this.ComputeDefaultFeaturingType();
         }
 
         /// <summary>
@@ -157,9 +166,10 @@ public IType QueryDefaultFeaturingType()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -168,9 +178,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -178,6 +189,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -186,9 +198,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -196,6 +209,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -204,9 +218,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IConnector.ConnectorEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -216,9 +231,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -226,9 +242,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -237,18 +254,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -258,9 +277,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -268,9 +288,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1563219311176_506548_20966", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 2, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1556735067666_827798_21922")]
+        [Implements(implementation: "IFlow.FlowEnd")]
         public List<IFlowEnd> QueryFlowEnd()
         {
-            throw new NotImplementedException("Derived property FlowEnd not yet supported");
+            return this.ComputeFlowEnd();
         }
 
         /// <summary>
@@ -278,9 +299,10 @@ public List<IFlowEnd> QueryFlowEnd()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -288,9 +310,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -299,9 +322,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -309,9 +333,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -321,9 +346,10 @@ public List<IFeature> QueryInput()
         [Property(xmiId: "_19_0_4_12e503d9_1661900477937_518125_727", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674983_471497_43284")]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IFlow.Interaction")]
         public List<IInteraction> QueryInteraction()
         {
-            throw new NotImplementedException("Derived property Interaction not yet supported");
+            return this.ComputeInteraction();
         }
 
         /// <summary>
@@ -336,9 +362,10 @@ public List<IInteraction> QueryInteraction()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -346,6 +373,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -354,15 +382,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -370,12 +400,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -389,6 +421,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -396,6 +429,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -406,21 +440,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -428,6 +465,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -439,12 +477,14 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -452,6 +492,7 @@ public bool QueryIsLibraryElement()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -459,9 +500,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -469,9 +511,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -481,9 +524,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -493,9 +537,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -503,9 +548,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -515,9 +561,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -526,9 +573,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -537,9 +585,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -549,9 +598,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -561,9 +611,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -571,9 +622,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -582,9 +634,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -592,9 +645,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -604,9 +658,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -628,9 +684,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -651,9 +709,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -662,9 +721,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -675,9 +735,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -686,9 +747,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -697,9 +759,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -707,6 +770,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -714,6 +778,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -723,9 +788,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -735,9 +801,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -747,9 +814,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -759,9 +827,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -770,9 +839,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -780,9 +850,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -790,9 +861,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -801,9 +873,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -812,9 +885,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -822,6 +896,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -829,6 +904,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -838,9 +914,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -849,9 +926,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -859,18 +937,20 @@ public List<IFeature> QueryParameter()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1563219424870_347345_21142", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IFlow.PayloadFeature")]
         public IPayloadFeature QueryPayloadFeature()
         {
-            throw new NotImplementedException("Derived property PayloadFeature not yet supported");
+            return this.ComputePayloadFeature();
         }
 
         /// <summary>
         /// The type of values transferred, which is the type of the payloadFeature of the Flow.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536870569046_1672_18020", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFlow.PayloadType")]
         public List<IClassifier> QueryPayloadType()
         {
-            throw new NotImplementedException("Derived property PayloadType not yet supported");
+            return this.ComputePayloadType();
         }
 
         /// <summary>
@@ -882,9 +962,10 @@ public List<IClassifier> QueryPayloadType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -893,9 +974,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IConnector.RelatedFeature")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -904,9 +986,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_916334_43210", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IConnector.RelatedFeature")]
         public List<IFeature> QueryRelatedFeature()
         {
-            throw new NotImplementedException("Derived property RelatedFeature not yet supported");
+            return this.ComputeRelatedFeature();
         }
 
         /// <summary>
@@ -916,9 +999,10 @@ public List<IFeature> QueryRelatedFeature()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -926,7 +1010,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.SourceFeature")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConnector.SourceFeature")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedFeature for this Connector. It is the first relatedFeature.
@@ -934,9 +1020,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594953058873_558253_3897", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConnector.SourceFeature")]
         public IFeature QuerySourceFeature()
         {
-            throw new NotImplementedException("Derived property SourceFeature not yet supported");
+            return this.ComputeSourceFeature();
         }
 
         /// <summary>
@@ -944,9 +1031,10 @@ public IFeature QuerySourceFeature()
         /// Flow.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536870707078_57525_18088", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFlow.SourceOutputFeature")]
         public IFeature QuerySourceOutputFeature()
         {
-            throw new NotImplementedException("Derived property SourceOutputFeature not yet supported");
+            return this.ComputeSourceOutputFeature();
         }
 
         /// <summary>
@@ -954,7 +1042,9 @@ public IFeature QuerySourceOutputFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.TargetFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConnector.TargetFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedFeatures for this Connector. This includes all the relatedFeatures other than the
@@ -963,9 +1053,10 @@ public IFeature QuerySourceOutputFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594953128207_991867_3946", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IConnector.TargetFeature")]
         public List<IFeature> QueryTargetFeature()
         {
-            throw new NotImplementedException("Derived property TargetFeature not yet supported");
+            return this.ComputeTargetFeature();
         }
 
         /// <summary>
@@ -973,9 +1064,10 @@ public List<IFeature> QueryTargetFeature()
         /// Flow.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536870573474_966268_18041", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFlow.TargetInputFeature")]
         public IFeature QueryTargetInputFeature()
         {
-            throw new NotImplementedException("Derived property TargetInputFeature not yet supported");
+            return this.ComputeTargetInputFeature();
         }
 
         /// <summary>
@@ -984,9 +1076,10 @@ public IFeature QueryTargetInputFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -997,9 +1090,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IConnector.Association")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1010,9 +1104,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/FramedConcernMembership.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/FramedConcernMembership.cs
index 66a22c0b..07ecc74d 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/FramedConcernMembership.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/FramedConcernMembership.cs
@@ -57,12 +57,14 @@ public partial class FramedConcernMembership : IFramedConcernMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -72,6 +74,7 @@ public partial class FramedConcernMembership : IFramedConcernMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -80,9 +83,10 @@ public partial class FramedConcernMembership : IFramedConcernMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -90,6 +94,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -97,6 +102,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -107,15 +113,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -123,36 +131,44 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617120451812_644221_3690", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "requirement")]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1584048161309_821854_390")]
+        [Implements(implementation: "IFramedConcernMembership.Kind")]
         RequirementConstraintKind IFramedConcernMembership.Kind { get; set; }
 
         /// <summary>
         /// Whether the RequirementConstraintMembership is for an assumed or required ConstraintUsage.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1584048161309_821854_390", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IFramedConcernMembership.Kind")] RequirementConstraintKind IRequirementConstraintMembership.Kind { get; set; }
+        [RedefinedByProperty("IFramedConcernMembership.Kind")]
+        [Implements(implementation: "IRequirementConstraintMembership.Kind")]
+        RequirementConstraintKind IRequirementConstraintMembership.Kind { get; set; }
 
         /// <summary>
         /// The Element that becomes a member of the membershipOwningNamespace due to this Membership.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -162,16 +178,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -180,9 +199,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -192,9 +212,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -202,9 +223,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617120590170_490370_3748", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1584048366950_985767_426")]
+        [Implements(implementation: "IFramedConcernMembership.OwnedConcern")]
         public IConcernUsage QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -213,9 +235,10 @@ public IConcernUsage QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1584048366950_985767_426", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674993_898044_43344")]
         [RedefinedByProperty("IFramedConcernMembership.OwnedConcern")]
+        [Implements(implementation: "IRequirementConstraintMembership.OwnedConstraint")]
         public IConstraintUsage QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -223,9 +246,10 @@ public IConstraintUsage QueryOwnedConstraint()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -236,9 +260,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -246,9 +271,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -258,9 +284,10 @@ public string QueryOwnedMemberElementId()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
         [RedefinedByProperty("IRequirementConstraintMembership.OwnedConstraint")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         public IFeature QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -268,9 +295,10 @@ public IFeature QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -278,9 +306,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -288,6 +317,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -295,6 +325,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -302,9 +333,10 @@ public string QueryOwnedMemberShortName()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -313,9 +345,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -324,9 +357,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -334,6 +368,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -341,6 +376,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -349,9 +385,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -363,9 +400,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -375,9 +413,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617120658044_92083_3773", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1617118807597_77864_3544")]
+        [Implements(implementation: "IFramedConcernMembership.ReferencedConcern")]
         public IConcernUsage QueryReferencedConcern()
         {
-            throw new NotImplementedException("Derived property ReferencedConcern not yet supported");
+            return this.ComputeReferencedConcern();
         }
 
         /// <summary>
@@ -387,9 +426,10 @@ public IConcernUsage QueryReferencedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617118807597_77864_3544", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IFramedConcernMembership.ReferencedConcern")]
+        [Implements(implementation: "IRequirementConstraintMembership.ReferencedConstraint")]
         public IConstraintUsage QueryReferencedConstraint()
         {
-            throw new NotImplementedException("Derived property ReferencedConstraint not yet supported");
+            return this.ComputeReferencedConstraint();
         }
 
         /// <summary>
@@ -397,9 +437,10 @@ public IConstraintUsage QueryReferencedConstraint()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -409,9 +450,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -419,14 +461,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -434,9 +480,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -444,6 +491,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/LiteralInteger.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/LiteralInteger.cs
index ea794f70..29a4fde4 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/LiteralInteger.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/LiteralInteger.cs
@@ -57,6 +57,7 @@ public partial class LiteralInteger : ILiteralInteger
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -65,9 +66,10 @@ public partial class LiteralInteger : ILiteralInteger
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -79,9 +81,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -91,15 +94,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -109,6 +114,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -121,9 +127,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -132,9 +139,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -142,6 +150,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -150,9 +159,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -160,6 +170,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -167,9 +178,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -179,9 +191,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -189,9 +202,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -200,18 +214,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -221,9 +237,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -231,9 +248,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -241,9 +259,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -251,9 +270,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -262,9 +282,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -272,9 +293,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -287,9 +309,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -297,6 +320,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -305,15 +329,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -321,12 +347,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -340,6 +368,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -350,15 +379,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -366,15 +397,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -382,6 +415,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -393,12 +427,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -406,6 +442,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -413,9 +450,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -423,9 +461,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -435,9 +474,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -447,9 +487,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -457,9 +498,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -469,9 +511,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -480,9 +523,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -491,9 +535,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -503,9 +548,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -515,9 +561,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -525,9 +572,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -536,9 +584,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -546,9 +595,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -558,9 +608,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -570,9 +621,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -582,9 +634,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -594,9 +647,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -629,9 +685,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -651,9 +709,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -661,6 +720,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -670,9 +730,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -682,9 +743,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -694,9 +756,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -706,9 +769,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -717,9 +781,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -727,9 +792,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -737,9 +803,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -748,9 +815,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -759,9 +827,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -769,6 +838,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -778,9 +848,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -789,9 +860,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -803,9 +875,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -816,9 +889,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -828,9 +902,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -839,9 +914,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -851,9 +927,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -864,15 +941,17 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
         /// The Integer value that is the result of evaluating this LiteralInteger.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674965_358889_43199", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ILiteralInteger.Value")]
         public int Value { get; set; }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/LiteralRational.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/LiteralRational.cs
index b3cbc63d..791cf02b 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/LiteralRational.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/LiteralRational.cs
@@ -57,6 +57,7 @@ public partial class LiteralRational : ILiteralRational
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -65,9 +66,10 @@ public partial class LiteralRational : ILiteralRational
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -79,9 +81,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -91,15 +94,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -109,6 +114,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -121,9 +127,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -132,9 +139,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -142,6 +150,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -150,9 +159,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -160,6 +170,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -167,9 +178,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -179,9 +191,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -189,9 +202,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -200,18 +214,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -221,9 +237,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -231,9 +248,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -241,9 +259,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -251,9 +270,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -262,9 +282,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -272,9 +293,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -287,9 +309,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -297,6 +320,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -305,15 +329,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -321,12 +347,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -340,6 +368,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -350,15 +379,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -366,15 +397,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -382,6 +415,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -393,12 +427,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -406,6 +442,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -413,9 +450,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -423,9 +461,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -435,9 +474,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -447,9 +487,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -457,9 +498,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -469,9 +511,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -480,9 +523,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -491,9 +535,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -503,9 +548,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -515,9 +561,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -525,9 +572,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -536,9 +584,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -546,9 +595,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -558,9 +608,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -570,9 +621,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -582,9 +634,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -594,9 +647,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -629,9 +685,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -651,9 +709,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -661,6 +720,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -670,9 +730,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -682,9 +743,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -694,9 +756,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -706,9 +769,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -717,9 +781,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -727,9 +792,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -737,9 +803,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -748,9 +815,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -759,9 +827,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -769,6 +838,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -778,9 +848,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -789,9 +860,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -803,9 +875,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -816,9 +889,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -828,9 +902,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -839,9 +914,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -851,9 +927,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -864,15 +941,17 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
         /// The value whose rational approximation is the result of evaluating this LiteralRational.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_967605_43310", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ILiteralRational.Value")]
         public double Value { get; set; }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Membership.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Membership.cs
index f68b9e5c..3697c5b4 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Membership.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Membership.cs
@@ -57,12 +57,14 @@ public partial class Membership : IMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -72,6 +74,7 @@ public partial class Membership : IMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -80,9 +83,10 @@ public partial class Membership : IMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -90,6 +94,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -97,6 +102,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -107,15 +113,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -123,21 +131,24 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IMembership.MemberElement")]
         public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IMembership.MemberName")]
         public string MemberName { get; set; }
 
         /// <summary>
@@ -147,15 +158,17 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_531296_43182")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IMembership.MemberShortName")]
         public string MemberShortName { get; set; }
 
         /// <summary>
@@ -165,9 +178,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -177,9 +191,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -187,9 +202,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -197,6 +213,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -204,6 +221,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -211,9 +229,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -222,9 +241,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -233,9 +253,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -243,6 +264,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -250,6 +272,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -261,9 +284,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -271,9 +295,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -283,9 +308,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -293,14 +319,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -308,9 +338,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -318,6 +349,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/MultiplicityRange.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/MultiplicityRange.cs
index 4f921b6b..371877f7 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/MultiplicityRange.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/MultiplicityRange.cs
@@ -61,6 +61,7 @@ public partial class MultiplicityRange : IMultiplicityRange
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -69,9 +70,10 @@ public partial class MultiplicityRange : IMultiplicityRange
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095221994_519580_5095", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 2, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IMultiplicityRange.Bound")]
         public List<IExpression> QueryBound()
         {
-            throw new NotImplementedException("Derived property Bound not yet supported");
+            return this.ComputeBound();
         }
 
         /// <summary>
@@ -83,9 +85,10 @@ public List<IExpression> QueryBound()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -95,15 +98,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -113,6 +118,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -125,9 +131,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -135,9 +142,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -145,6 +153,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -153,9 +162,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -163,6 +173,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -170,9 +181,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -182,9 +194,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -192,9 +205,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -203,18 +217,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -224,9 +240,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -234,9 +251,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -244,9 +262,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -255,9 +274,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -265,9 +285,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -280,9 +301,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -290,6 +312,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -298,15 +321,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -314,12 +339,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -333,6 +360,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -343,21 +371,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -365,6 +396,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -376,12 +408,14 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -389,6 +423,7 @@ public bool QueryIsLibraryElement()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -398,9 +433,10 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573094905677_801324_4744", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1573095221994_519580_5095")]
+        [Implements(implementation: "IMultiplicityRange.LowerBound")]
         public IExpression QueryLowerBound()
         {
-            throw new NotImplementedException("Derived property LowerBound not yet supported");
+            return this.ComputeLowerBound();
         }
 
         /// <summary>
@@ -408,9 +444,10 @@ public IExpression QueryLowerBound()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -418,9 +455,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -430,9 +468,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -442,9 +481,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -452,9 +492,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -464,9 +505,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -475,9 +517,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -486,9 +529,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -498,9 +542,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -510,9 +555,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -520,9 +566,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -531,9 +578,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -541,9 +589,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -553,9 +602,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -565,9 +615,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -577,9 +628,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -589,9 +641,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -600,9 +653,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -611,9 +665,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -624,9 +679,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -635,9 +691,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -646,9 +703,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -656,6 +714,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -665,9 +724,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -677,9 +737,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -689,9 +750,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -701,9 +763,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -712,9 +775,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -722,9 +786,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -732,9 +797,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -743,9 +809,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -754,9 +821,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -764,6 +832,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -773,9 +842,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -787,9 +857,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -799,9 +870,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -810,9 +882,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -822,9 +895,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -835,9 +909,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -845,9 +920,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573094947427_797440_4796", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1573095221994_519580_5095")]
+        [Implements(implementation: "IMultiplicityRange.UpperBound")]
         public IExpression QueryUpperBound()
         {
-            throw new NotImplementedException("Derived property UpperBound not yet supported");
+            return this.ComputeUpperBound();
         }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/OwningMembership.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/OwningMembership.cs
index 962b5e09..3add1ad1 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/OwningMembership.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/OwningMembership.cs
@@ -52,12 +52,14 @@ public partial class OwningMembership : IOwningMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -67,6 +69,7 @@ public partial class OwningMembership : IOwningMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -75,9 +78,10 @@ public partial class OwningMembership : IOwningMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -85,6 +89,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -92,6 +97,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -102,15 +108,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -118,23 +126,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -143,16 +156,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_531296_43182")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -161,9 +177,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -173,9 +190,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -183,9 +201,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -195,9 +214,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674965_501750_43196", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -205,9 +225,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -215,9 +236,10 @@ public string QueryOwnedMemberElementId()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -225,9 +247,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -235,6 +258,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -242,6 +266,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -249,9 +274,10 @@ public string QueryOwnedMemberShortName()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -260,9 +286,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -271,9 +298,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -281,6 +309,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -288,6 +317,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -299,9 +329,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -309,9 +340,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -321,9 +353,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -331,14 +364,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -346,9 +383,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -356,6 +394,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/ReferenceSubsetting.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/ReferenceSubsetting.cs
index aef612d4..516adbba 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/ReferenceSubsetting.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/ReferenceSubsetting.cs
@@ -57,12 +57,14 @@ public partial class ReferenceSubsetting : IReferenceSubsetting
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -72,6 +74,7 @@ public partial class ReferenceSubsetting : IReferenceSubsetting
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -80,9 +83,10 @@ public partial class ReferenceSubsetting : IReferenceSubsetting
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -90,6 +94,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -97,13 +102,16 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674980_563969_43273", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("ISubsetting.SubsettedFeature")] public IType General { get; set; }
+        [RedefinedByProperty("ISubsetting.SubsettedFeature")]
+        [Implements(implementation: "ISpecialization.General")]
+        public IType General { get; set; }
 
         /// <summary>
         /// Whether this Relationship was generated by tooling to meet semantic rules, rather than being
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -114,15 +122,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -132,9 +142,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -144,9 +155,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -154,9 +166,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -164,6 +177,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -171,6 +185,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -178,9 +193,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -190,9 +206,10 @@ public IElement QueryOwner()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674967_140305_43206")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_573157_43226")]
         [RedefinedByProperty("IReferenceSubsetting.ReferencingFeature")]
+        [Implements(implementation: "ISubsetting.OwningFeature")]
         public IFeature QueryOwningFeature()
         {
-            throw new NotImplementedException("Derived property OwningFeature not yet supported");
+            return this.ComputeOwningFeature();
         }
 
         /// <summary>
@@ -201,9 +218,10 @@ public IFeature QueryOwningFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -212,9 +230,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -222,6 +241,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -229,6 +249,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -238,9 +259,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
         [RedefinedByProperty("ISubsetting.OwningFeature")]
+        [Implements(implementation: "ISpecialization.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -252,9 +274,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -262,6 +285,7 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555055089_291547_207", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_393191_43181")]
+        [Implements(implementation: "IReferenceSubsetting.ReferencedFeature")]
         public IFeature ReferencedFeature { get; set; }
 
         /// <summary>
@@ -270,9 +294,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_4_12e503d9_1661555161575_539076_256", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_236250_43311")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674967_140305_43206")]
+        [Implements(implementation: "IReferenceSubsetting.ReferencingFeature")]
         public IFeature QueryReferencingFeature()
         {
-            throw new NotImplementedException("Derived property ReferencingFeature not yet supported");
+            return this.ComputeReferencingFeature();
         }
 
         /// <summary>
@@ -280,9 +305,10 @@ public IFeature QueryReferencingFeature()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -292,9 +318,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -302,35 +329,45 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.Specific")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("ISpecialization.Specific")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// A Type with a subset of all instances of the general Type, which might be the same set.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674982_253967_43281", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
-        [RedefinedByProperty("ISubsetting.SubsettingFeature")] public IType Specific { get; set; }
+        [RedefinedByProperty("ISubsetting.SubsettingFeature")]
+        [Implements(implementation: "ISpecialization.Specific")]
+        public IType Specific { get; set; }
 
         /// <summary>
         /// The Feature that is subsetted by the subsettingFeature of this Subsetting.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_393191_43181", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_563969_43273")]
-        [RedefinedByProperty("IReferenceSubsetting.ReferencedFeature")] public IFeature SubsettedFeature { get; set; }
+        [RedefinedByProperty("IReferenceSubsetting.ReferencedFeature")]
+        [Implements(implementation: "ISubsetting.SubsettedFeature")]
+        public IFeature SubsettedFeature { get; set; }
 
         /// <summary>
         /// The Feature that is a subset of the subsettedFeature of this Subsetting.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674967_140305_43206", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
-        [RedefinedByProperty("IReferenceSubsetting.ReferencingFeature")] public IFeature SubsettingFeature { get; set; }
+        [RedefinedByProperty("IReferenceSubsetting.ReferencingFeature")]
+        [Implements(implementation: "ISubsetting.SubsettingFeature")]
+        public IFeature SubsettingFeature { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.General")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("ISpecialization.General")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -338,9 +375,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/RequirementUsage.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/RequirementUsage.cs
index 079f9f61..dd300d20 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/RequirementUsage.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/RequirementUsage.cs
@@ -82,15 +82,17 @@ public partial class RequirementUsage : IRequirementUsage
         [Property(xmiId: "_19_0_4_12e503d9_1621564075474_350859_2735", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IRequirementUsage.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -100,9 +102,10 @@ public List<IPartUsage> QueryActorParameter()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583377612865_991722_535", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementUsage.AssumedConstraint")]
         public List<IConstraintUsage> QueryAssumedConstraint()
         {
-            throw new NotImplementedException("Derived property AssumedConstraint not yet supported");
+            return this.ComputeAssumedConstraint();
         }
 
         /// <summary>
@@ -111,9 +114,10 @@ public List<IConstraintUsage> QueryAssumedConstraint()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -125,9 +129,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -138,9 +143,10 @@ public List<IFeature> QueryChainingFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1578067546711_751168_1745", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1578025035149_386_969")]
         [RedefinedByProperty("IRequirementUsage.RequirementDefinition")]
+        [Implements(implementation: "IConstraintUsage.ConstraintDefinition")]
         public IPredicate QueryConstraintDefinition()
         {
-            throw new NotImplementedException("Derived property ConstraintDefinition not yet supported");
+            return this.ComputeConstraintDefinition();
         }
 
         /// <summary>
@@ -150,15 +156,17 @@ public IPredicate QueryConstraintDefinition()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -168,7 +176,9 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IRequirementUsage.ReqId")] public string DeclaredShortName { get; set; }
+        [RedefinedByProperty("IRequirementUsage.ReqId")]
+        [Implements(implementation: "IElement.DeclaredShortName")]
+        public string DeclaredShortName { get; set; }
 
         /// <summary>
         /// The Classifiers that are the types of this Usage. Nominally, these are Definitions, but other kinds
@@ -178,9 +188,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -193,9 +204,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -204,9 +216,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -215,9 +228,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -225,6 +239,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -233,9 +248,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -243,6 +259,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -250,9 +267,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -262,9 +280,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -272,9 +291,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -283,18 +303,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -304,9 +326,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -315,9 +338,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617116922864_514612_3264", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583377448339_252740_390")]
+        [Implements(implementation: "IRequirementUsage.FramedConcern")]
         public List<IConcernUsage> QueryFramedConcern()
         {
-            throw new NotImplementedException("Derived property FramedConcern not yet supported");
+            return this.ComputeFramedConcern();
         }
 
         /// <summary>
@@ -326,9 +350,10 @@ public List<IConcernUsage> QueryFramedConcern()
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("IBooleanExpression.Predicate")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -336,9 +361,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -346,9 +372,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -356,9 +383,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -367,9 +395,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -377,9 +406,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -392,9 +422,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -402,6 +433,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -410,15 +442,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -426,12 +460,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -445,6 +481,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -455,6 +492,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -462,15 +500,17 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -478,15 +518,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -494,15 +536,17 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -514,12 +558,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -527,13 +573,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -546,9 +595,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -556,9 +606,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -566,9 +617,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -578,9 +630,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -590,9 +643,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -600,9 +654,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -610,9 +665,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -620,9 +676,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -630,9 +687,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -640,9 +698,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -650,9 +709,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -660,9 +720,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -672,9 +733,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -682,9 +744,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -692,9 +755,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -702,9 +766,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -712,9 +777,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -722,9 +788,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -732,9 +799,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -742,9 +810,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -752,9 +821,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -762,9 +832,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -772,9 +843,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -782,9 +854,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -792,9 +865,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -802,9 +876,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -812,9 +887,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -823,9 +899,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -833,9 +910,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -843,9 +921,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -853,9 +932,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -863,9 +943,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -875,9 +956,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -885,9 +967,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -897,9 +980,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -908,9 +992,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -919,9 +1004,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -931,9 +1017,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -943,9 +1030,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -953,9 +1041,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -964,9 +1053,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -974,9 +1064,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -986,9 +1077,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -998,9 +1090,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1010,9 +1103,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1022,9 +1116,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1033,9 +1128,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1044,9 +1140,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1057,9 +1154,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1068,9 +1166,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1079,9 +1178,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1089,6 +1189,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1098,9 +1199,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1110,9 +1212,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1122,9 +1225,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1134,9 +1238,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1145,9 +1250,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1155,9 +1261,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1166,9 +1273,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1176,9 +1284,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1187,9 +1296,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1198,9 +1308,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1208,6 +1319,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1217,9 +1329,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1227,9 +1340,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1238,9 +1352,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1249,6 +1364,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1257,9 +1373,10 @@ public List<IFeature> QueryParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1578025035149_386_969", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543948477241_299049_20934")]
         [RedefinedByProperty("IConstraintUsage.ConstraintDefinition")]
+        [Implements(implementation: "IBooleanExpression.Predicate")]
         public IPredicate QueryPredicate()
         {
-            throw new NotImplementedException("Derived property Predicate not yet supported");
+            return this.ComputePredicate();
         }
 
         /// <summary>
@@ -1271,9 +1388,10 @@ public IPredicate QueryPredicate()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1283,6 +1401,7 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376474630_975784_96", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1594160442439_915308_4153")]
+        [Implements(implementation: "IRequirementUsage.ReqId")]
         public string ReqId { get; set; }
 
         /// <summary>
@@ -1292,9 +1411,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583377448339_252740_390", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementUsage.RequiredConstraint")]
         public List<IConstraintUsage> QueryRequiredConstraint()
         {
-            throw new NotImplementedException("Derived property RequiredConstraint not yet supported");
+            return this.ComputeRequiredConstraint();
         }
 
         /// <summary>
@@ -1302,9 +1422,10 @@ public List<IConstraintUsage> QueryRequiredConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000408905_769743_1223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1578067546711_751168_1745")]
+        [Implements(implementation: "IRequirementUsage.RequirementDefinition")]
         public IRequirementDefinition QueryRequirementDefinition()
         {
-            throw new NotImplementedException("Derived property RequirementDefinition not yet supported");
+            return this.ComputeRequirementDefinition();
         }
 
         /// <summary>
@@ -1315,9 +1436,10 @@ public IRequirementDefinition QueryRequirementDefinition()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -1327,9 +1449,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1338,9 +1461,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_4_12e503d9_1624032823963_328647_40107", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IRequirementUsage.StakeholderParameter")]
         public List<IPartUsage> QueryStakeholderParameter()
         {
-            throw new NotImplementedException("Derived property StakeholderParameter not yet supported");
+            return this.ComputeStakeholderParameter();
         }
 
         /// <summary>
@@ -1349,9 +1473,10 @@ public List<IPartUsage> QueryStakeholderParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1595189397261_941898_844", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IRequirementUsage.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -1359,9 +1484,10 @@ public IUsage QuerySubjectParameter()
         /// the bodies of the documentation of the RequirementUsage.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376480942_745679_99", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IRequirementUsage.Text")]
         public List<string> QueryText()
         {
-            throw new NotImplementedException("Derived property Text not yet supported");
+            return this.ComputeText();
         }
 
         /// <summary>
@@ -1370,9 +1496,10 @@ public List<string> QueryText()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1383,9 +1510,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1396,9 +1524,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1406,9 +1535,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1417,9 +1547,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1428,9 +1559,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/SelectExpression.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/SelectExpression.cs
index 235bbb49..563220c4 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/SelectExpression.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/SelectExpression.cs
@@ -57,6 +57,7 @@ public partial class SelectExpression : ISelectExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -66,9 +67,10 @@ public partial class SelectExpression : ISelectExpression
         /// InstantiationExpression.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134437590_328753_108", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IInstantiationExpression.Argument")]
         public List<IExpression> QueryArgument()
         {
-            throw new NotImplementedException("Derived property Argument not yet supported");
+            return this.ComputeArgument();
         }
 
         /// <summary>
@@ -77,9 +79,10 @@ public List<IExpression> QueryArgument()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -91,9 +94,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -103,15 +107,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -121,6 +127,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -133,9 +140,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -144,9 +152,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -154,6 +163,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -162,9 +172,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -172,6 +183,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -179,9 +191,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -191,9 +204,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -201,9 +215,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -212,18 +227,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -233,9 +250,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -243,9 +261,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -253,9 +272,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -263,9 +283,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -274,9 +295,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -284,9 +306,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -294,9 +317,10 @@ public List<IFeature> QueryInput()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134352572_416088_80", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IInstantiationExpression.InstantiatedType")]
         public IType QueryInstantiatedType()
         {
-            throw new NotImplementedException("Derived property InstantiatedType not yet supported");
+            return this.ComputeInstantiatedType();
         }
 
         /// <summary>
@@ -309,9 +333,10 @@ public IType QueryInstantiatedType()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -319,6 +344,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -327,15 +353,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -343,12 +371,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -362,6 +392,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -372,15 +403,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -388,15 +421,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -404,6 +439,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -415,12 +451,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -428,6 +466,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -435,9 +474,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -445,9 +485,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -457,9 +498,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -469,15 +511,17 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1559596728932_861031_29126", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "select")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1557528808100_646606_111674")]
+        [Implements(implementation: "ISelectExpression.Operator")]
         string ISelectExpression.Operator { get; set; }
 
         /// <summary>
@@ -485,16 +529,19 @@ public string QueryName()
         /// Kernel Function Library .
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1557528808100_646606_111674", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("ISelectExpression.Operator")] string IOperatorExpression.Operator { get; set; }
+        [RedefinedByProperty("ISelectExpression.Operator")]
+        [Implements(implementation: "IOperatorExpression.Operator")]
+        string IOperatorExpression.Operator { get; set; }
 
         /// <summary>
         /// All features related to this Type by FeatureMemberships that have direction out or inout.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -504,9 +551,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -515,9 +563,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -526,9 +575,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -538,9 +588,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -550,9 +601,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -560,9 +612,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -571,9 +624,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -581,9 +635,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -593,9 +648,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -605,9 +661,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -617,9 +674,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -629,9 +687,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -640,9 +699,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -651,9 +711,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -664,9 +725,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -675,9 +737,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -686,9 +749,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -696,6 +760,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -705,9 +770,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -717,9 +783,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -729,9 +796,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -741,9 +809,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -752,9 +821,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -762,9 +832,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -772,9 +843,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -783,9 +855,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -794,9 +867,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -804,6 +878,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -813,9 +888,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -824,9 +900,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -838,9 +915,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -851,9 +929,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -863,9 +942,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -874,9 +954,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -886,9 +967,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -899,9 +981,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Subclassification.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Subclassification.cs
index eabf004b..5613c4af 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Subclassification.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Subclassification.cs
@@ -53,12 +53,14 @@ public partial class Subclassification : ISubclassification
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -68,6 +70,7 @@ public partial class Subclassification : ISubclassification
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -76,9 +79,10 @@ public partial class Subclassification : ISubclassification
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -86,6 +90,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -93,13 +98,16 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674980_563969_43273", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("ISubclassification.Superclassifier")] public IType General { get; set; }
+        [RedefinedByProperty("ISubclassification.Superclassifier")]
+        [Implements(implementation: "ISpecialization.General")]
+        public IType General { get; set; }
 
         /// <summary>
         /// Whether this Relationship was generated by tooling to meet semantic rules, rather than being
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -110,15 +118,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -128,9 +138,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -140,9 +151,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -150,9 +162,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -160,6 +173,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -167,6 +181,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -174,9 +189,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -184,9 +200,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170642_857401_25506", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_573157_43226")]
+        [Implements(implementation: "ISubclassification.OwningClassifier")]
         public IClassifier QueryOwningClassifier()
         {
-            throw new NotImplementedException("Derived property OwningClassifier not yet supported");
+            return this.ComputeOwningClassifier();
         }
 
         /// <summary>
@@ -195,9 +212,10 @@ public IClassifier QueryOwningClassifier()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -206,9 +224,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -216,6 +235,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -223,6 +243,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -232,9 +253,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
         [RedefinedByProperty("ISubclassification.OwningClassifier")]
+        [Implements(implementation: "ISpecialization.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -246,9 +268,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -256,9 +279,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -268,9 +292,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -278,20 +303,25 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.Specific")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("ISpecialization.Specific")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// A Type with a subset of all instances of the general Type, which might be the same set.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674982_253967_43281", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
-        [RedefinedByProperty("ISubclassification.Subclassifier")] public IType Specific { get; set; }
+        [RedefinedByProperty("ISubclassification.Subclassifier")]
+        [Implements(implementation: "ISpecialization.Specific")]
+        public IType Specific { get; set; }
 
         /// <summary>
         /// The more specific Classifier in this Subclassification.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189084042_772698_25407", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
+        [Implements(implementation: "ISubclassification.Subclassifier")]
         public IClassifier Subclassifier { get; set; }
 
         /// <summary>
@@ -299,6 +329,7 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543188934635_627507_25283", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_563969_43273")]
+        [Implements(implementation: "ISubclassification.Superclassifier")]
         public IClassifier Superclassifier { get; set; }
 
         /// <summary>
@@ -306,7 +337,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.General")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("ISpecialization.General")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -314,9 +347,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/TextualRepresentation.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/TextualRepresentation.cs
index c4c5bc9d..c33ce402 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/TextualRepresentation.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/TextualRepresentation.cs
@@ -73,6 +73,7 @@ public partial class TextualRepresentation : ITextualRepresentation
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -82,9 +83,10 @@ public partial class TextualRepresentation : ITextualRepresentation
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594145755058_99428_86", aggregation: AggregationKind.None, lowerValue: 1, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("ITextualRepresentation.RepresentedElement")]
+        [Implements(implementation: "IAnnotatingElement.AnnotatedElement")]
         public List<IElement> QueryAnnotatedElement()
         {
-            throw new NotImplementedException("Derived property AnnotatedElement not yet supported");
+            return this.ComputeAnnotatedElement();
         }
 
         /// <summary>
@@ -93,21 +95,24 @@ public List<IElement> QueryAnnotatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543094212714_953084_18407", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IAnnotatingElement.Annotation")]
         public List<IAnnotation> QueryAnnotation()
         {
-            throw new NotImplementedException("Derived property Annotation not yet supported");
+            return this.ComputeAnnotation();
         }
 
         /// <summary>
         /// The textual representation of the representedElement in the given language.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1647817353412_339800_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ITextualRepresentation.Body")]
         public string Body { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -117,6 +122,7 @@ public List<IAnnotation> QueryAnnotation()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -125,9 +131,10 @@ public List<IAnnotation> QueryAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -135,6 +142,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -145,21 +153,24 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// The natural or artifical language in which the body text is written.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594152270061_927814_2479", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ITextualRepresentation.Language")]
         public string Language { get; set; }
 
         /// <summary>
@@ -169,9 +180,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -181,9 +193,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_4_12e503d9_1703019570915_375100_18", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IAnnotatingElement.OwnedAnnotatingRelationship")]
         public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotatingRelationship not yet supported");
+            return this.ComputeOwnedAnnotatingRelationship();
         }
 
         /// <summary>
@@ -193,9 +206,10 @@ public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -203,9 +217,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -213,6 +228,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -220,9 +236,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -231,9 +248,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_2022x_2_12e503d9_1735188506571_308678_376", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
+        [Implements(implementation: "IAnnotatingElement.OwningAnnotatingRelationship")]
         public IAnnotation QueryOwningAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwningAnnotatingRelationship not yet supported");
+            return this.ComputeOwningAnnotatingRelationship();
         }
 
         /// <summary>
@@ -242,9 +260,10 @@ public IAnnotation QueryOwningAnnotatingRelationship()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -253,9 +272,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -263,6 +283,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -274,9 +295,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -285,9 +307,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758494_414887_3389", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_744477_17277")]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1594145755058_99428_86")]
+        [Implements(implementation: "ITextualRepresentation.RepresentedElement")]
         public IElement QueryRepresentedElement()
         {
-            throw new NotImplementedException("Derived property RepresentedElement not yet supported");
+            return this.ComputeRepresentedElement();
         }
 
         /// <summary>
@@ -297,9 +320,10 @@ public IElement QueryRepresentedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -308,9 +332,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Usage.cs b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Usage.cs
index a0bb440a..77869360 100644
--- a/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Usage.cs
+++ b/SysML2.NET.CodeGenerator.Tests/Expected/UML/Core/AutoGenPoco/Usage.cs
@@ -82,6 +82,7 @@ public partial class Usage : IUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -93,9 +94,10 @@ public partial class Usage : IUsage
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -105,15 +107,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -123,6 +127,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -132,9 +137,10 @@ public IFeature QueryCrossFeature()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -147,9 +153,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -157,9 +164,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -168,9 +176,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -178,6 +187,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -186,9 +196,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -196,6 +207,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -203,9 +215,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -215,9 +228,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -225,9 +239,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -236,18 +251,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -257,9 +274,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -267,9 +285,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -277,9 +296,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -288,9 +308,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -298,9 +319,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -313,9 +335,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -323,6 +346,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -331,15 +355,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -347,12 +373,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -366,6 +394,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -376,21 +405,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -398,15 +430,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -418,12 +452,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -431,13 +467,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -450,9 +489,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -460,9 +500,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -470,9 +511,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -482,9 +524,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -494,9 +537,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -504,9 +548,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -514,9 +559,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -524,9 +570,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -534,9 +581,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -544,9 +592,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -554,9 +603,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -564,9 +614,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -576,9 +627,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -586,9 +638,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -596,9 +649,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -606,9 +660,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -626,9 +682,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -636,9 +693,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -646,9 +704,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -656,9 +715,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -666,9 +726,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -676,9 +737,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -686,9 +748,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -696,9 +759,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -706,9 +770,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -716,9 +781,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -727,9 +793,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -737,9 +804,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -747,9 +815,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -757,9 +826,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -767,9 +837,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -777,9 +848,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -789,9 +861,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -800,9 +873,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -811,9 +885,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -823,9 +898,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -835,9 +911,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -845,9 +922,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -856,9 +934,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -866,9 +945,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -878,9 +958,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -890,9 +971,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -902,9 +984,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -914,9 +997,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -925,9 +1009,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -936,9 +1021,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -949,9 +1035,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -960,9 +1047,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -971,9 +1059,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -981,6 +1070,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -990,9 +1080,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1002,9 +1093,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1014,9 +1106,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1026,9 +1119,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1037,9 +1131,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1047,9 +1142,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1058,9 +1154,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1068,9 +1165,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1079,9 +1177,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1090,9 +1189,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1100,6 +1200,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1109,9 +1210,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1119,9 +1221,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1133,9 +1236,10 @@ public IUsage QueryOwningUsage()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1145,9 +1249,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1156,9 +1261,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1169,9 +1275,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1182,9 +1289,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1192,9 +1300,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1203,9 +1312,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1214,9 +1324,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET.CodeGenerator/HandleBarHelpers/ClassHelper.cs b/SysML2.NET.CodeGenerator/HandleBarHelpers/ClassHelper.cs
index 518c8004..85d5fd32 100644
--- a/SysML2.NET.CodeGenerator/HandleBarHelpers/ClassHelper.cs
+++ b/SysML2.NET.CodeGenerator/HandleBarHelpers/ClassHelper.cs
@@ -27,7 +27,7 @@ namespace SysML2.NET.CodeGenerator.HandleBarHelpers
     using HandlebarsDotNet;
 
     using SysML2.NET.CodeGenerator.Extensions;
-
+    using uml4net.CommonStructure;
     using uml4net.Extensions;
     using uml4net.SimpleClassifiers;
     using uml4net.StructuredClassifiers;
@@ -92,7 +92,7 @@ public static void RegisterClassHelper(this IHandlebars handlebars)
                 }
 
                 var namespacePrefix = arguments[1].ToString();
-                
+
                 var superClasses = @class.SuperClass;
 
                 var uniqueNamespaces = new HashSet<string>();
@@ -110,6 +110,20 @@ public static void RegisterClassHelper(this IHandlebars handlebars)
                     {
                         uniqueNamespaces.Add(prop.Type.QueryNamespace());
                     }
+
+                    var interfaceDerivedProperties =
+                        superClasses.SelectMany(x => x.QueryAllProperties()
+                            .Where(y => y.IsDerived || y.IsDerivedUnion))
+                            .ToList();
+
+                    foreach (var interfaceDerivedProperty in interfaceDerivedProperties)
+                    {
+                        if (interfaceDerivedProperty.Possessor is INamedElement owner)
+                        {
+                            var @namespace = owner.QueryNamespace();
+                            uniqueNamespaces.Add(@namespace);
+                        }
+                    }
                 }
 
                 uniqueNamespaces.Remove(@class.QueryNamespace());
diff --git a/SysML2.NET.CodeGenerator/HandleBarHelpers/PropertyHelper.cs b/SysML2.NET.CodeGenerator/HandleBarHelpers/PropertyHelper.cs
index 1cdca256..bbd91fb6 100644
--- a/SysML2.NET.CodeGenerator/HandleBarHelpers/PropertyHelper.cs
+++ b/SysML2.NET.CodeGenerator/HandleBarHelpers/PropertyHelper.cs
@@ -354,7 +354,7 @@ public static void RegisterPropertyHelper(this IHandlebars handlebars)
                 {
                     sb.Append("()");
                     sb.AppendLine("{");
-                    sb.AppendLine($"\tthrow new NotImplementedException(\"Derived property {GenericExtensions.CapitalizeFirstLetter(property.Name)} not yet supported\");");
+                    sb.AppendLine($"\treturn this.Compute{StringExtensions.CapitalizeFirstLetter(property.Name)}();");
                     sb.Append('}');
                 }
                 else if (property.IsReadOnly)
diff --git a/SysML2.NET.CodeGenerator/Templates/Uml/core-poco-class-uml-template.hbs b/SysML2.NET.CodeGenerator/Templates/Uml/core-poco-class-uml-template.hbs
index 69db311c..3624f207 100644
--- a/SysML2.NET.CodeGenerator/Templates/Uml/core-poco-class-uml-template.hbs
+++ b/SysML2.NET.CodeGenerator/Templates/Uml/core-poco-class-uml-template.hbs
@@ -50,6 +50,7 @@ namespace SysML2.NET.Core.POCO.{{ #NamedElement.WriteFullyQualifiedNameSpace thi
         {{ #Decorator.WriteSubsettedPropertyAttribute property }}
         {{ #Decorator.WriteRedefinedPropertyAttribute property }}
         {{ #Decorator.WriteRedefinedByPropertyAttribute property ../ }}
+        {{ #Decorator.WriteImplementsAttribute property }}
         {{ #Property.WriteForPOCOClass property ../ }}
         
         {{/each}}
diff --git a/SysML2.NET/Core/AutoGenPoco/AcceptActionUsage.cs b/SysML2.NET/Core/AutoGenPoco/AcceptActionUsage.cs
index e9d1edc2..2e1afe40 100644
--- a/SysML2.NET/Core/AutoGenPoco/AcceptActionUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/AcceptActionUsage.cs
@@ -88,15 +88,17 @@ public partial class AcceptActionUsage : IAcceptActionUsage
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -105,9 +107,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -119,9 +122,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -131,15 +135,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -149,6 +155,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -159,9 +166,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -174,9 +182,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -185,9 +194,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -196,9 +206,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -206,6 +217,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -214,9 +226,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -224,6 +237,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -231,9 +245,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -243,9 +258,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -253,9 +269,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -264,18 +281,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -285,9 +304,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -295,9 +315,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -305,9 +326,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -315,9 +337,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -326,9 +349,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -336,9 +360,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -351,9 +376,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -361,6 +387,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -369,15 +396,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -385,12 +414,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -404,6 +435,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -414,6 +446,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -421,21 +454,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -443,15 +479,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -463,12 +501,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -476,13 +516,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -495,9 +538,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -505,9 +549,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -515,9 +560,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -527,9 +573,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -539,9 +586,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -549,9 +597,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -559,9 +608,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -569,9 +619,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -579,9 +630,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -589,9 +641,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -599,9 +652,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -609,9 +663,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -621,9 +676,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -631,9 +687,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -641,9 +698,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -651,9 +709,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -661,9 +720,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -671,9 +731,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -681,9 +742,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -691,9 +753,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -701,9 +764,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -711,9 +775,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -721,9 +786,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -731,9 +797,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -741,9 +808,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -751,9 +819,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -761,9 +830,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -772,9 +842,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -782,9 +853,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -792,9 +864,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -802,9 +875,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -812,9 +886,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -825,9 +900,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -835,9 +911,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -847,9 +924,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -858,9 +936,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -869,9 +948,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -881,9 +961,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -893,9 +974,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -903,9 +985,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -914,9 +997,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -924,9 +1008,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -936,9 +1021,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -948,9 +1034,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -960,9 +1047,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -972,9 +1060,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -983,9 +1072,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -994,9 +1084,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1007,9 +1098,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1018,9 +1110,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1029,9 +1122,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1039,6 +1133,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1048,9 +1143,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1060,9 +1156,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1072,9 +1169,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1084,9 +1182,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1095,9 +1194,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1105,9 +1205,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1116,9 +1217,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1126,9 +1228,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1137,9 +1240,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1148,9 +1252,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1158,6 +1263,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1167,9 +1273,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1177,9 +1284,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1188,9 +1296,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1198,9 +1307,10 @@ public List<IFeature> QueryParameter()
         /// the AcceptActionUsage will only accept a Transfer with exactly this payload.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1642710978429_81558_4948", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IAcceptActionUsage.PayloadArgument")]
         public IExpression QueryPayloadArgument()
         {
-            throw new NotImplementedException("Derived property PayloadArgument not yet supported");
+            return this.ComputePayloadArgument();
         }
 
         /// <summary>
@@ -1210,9 +1320,10 @@ public IExpression QueryPayloadArgument()
         [Property(xmiId: "_19_0_4_12e503d9_1642701018287_478584_4462", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591477541360_47573_933")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IAcceptActionUsage.PayloadParameter")]
         public IReferenceUsage QueryPayloadParameter()
         {
-            throw new NotImplementedException("Derived property PayloadParameter not yet supported");
+            return this.ComputePayloadParameter();
         }
 
         /// <summary>
@@ -1221,6 +1332,7 @@ public IReferenceUsage QueryPayloadParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1232,18 +1344,20 @@ public IReferenceUsage QueryPayloadParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
         /// An Expression whose result is bound to the receiver input parameter of this AcceptActionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1612814670555_311543_168", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IAcceptActionUsage.ReceiverArgument")]
         public IExpression QueryReceiverArgument()
         {
-            throw new NotImplementedException("Derived property ReceiverArgument not yet supported");
+            return this.ComputeReceiverArgument();
         }
 
         /// <summary>
@@ -1253,9 +1367,10 @@ public IExpression QueryReceiverArgument()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1264,9 +1379,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1277,9 +1393,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1290,9 +1407,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1300,9 +1418,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1311,9 +1430,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1322,9 +1442,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ActionDefinition.cs b/SysML2.NET/Core/AutoGenPoco/ActionDefinition.cs
index 97b1d49d..3ce3a996 100644
--- a/SysML2.NET/Core/AutoGenPoco/ActionDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ActionDefinition.cs
@@ -80,21 +80,24 @@ public partial class ActionDefinition : IActionDefinition
         [Property(xmiId: "_18_5_3_12e503d9_1565500809065_170841_30688", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IActionDefinition.Action")]
         public List<IActionUsage> QueryAction()
         {
-            throw new NotImplementedException("Derived property Action not yet supported");
+            return this.ComputeAction();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -104,6 +107,7 @@ public List<IActionUsage> QueryAction()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -116,9 +120,10 @@ public List<IActionUsage> QueryAction()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -127,9 +132,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -138,9 +144,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -149,9 +156,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -159,6 +167,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -166,9 +175,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -176,9 +186,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -187,9 +198,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -197,9 +209,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -207,9 +220,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -218,9 +232,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -228,9 +243,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -243,9 +259,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -253,15 +270,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -272,21 +291,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -298,6 +320,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -305,6 +328,7 @@ public bool QueryIsLibraryElement()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -312,9 +336,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -322,9 +347,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -334,9 +360,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -346,9 +373,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -356,9 +384,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -366,9 +395,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -376,9 +406,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -386,9 +417,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -398,9 +430,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -408,9 +441,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -418,9 +452,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -428,9 +463,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -438,9 +474,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -449,9 +486,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -461,9 +499,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -471,9 +510,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -483,9 +523,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -495,9 +536,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -505,9 +547,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -516,9 +559,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -526,9 +570,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -536,9 +581,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -548,9 +594,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -558,9 +605,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -570,9 +618,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -580,9 +629,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -591,9 +641,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -601,9 +652,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -612,9 +664,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -625,9 +678,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -635,9 +689,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -645,9 +700,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -655,9 +711,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -665,9 +722,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -675,9 +733,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -685,6 +744,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -692,9 +752,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -702,9 +763,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -714,9 +776,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -724,9 +787,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -735,9 +799,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -745,9 +810,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -756,9 +822,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -767,9 +834,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -777,9 +845,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -787,9 +856,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -797,9 +867,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -807,9 +878,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -817,9 +889,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -828,9 +901,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -839,9 +913,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -849,6 +924,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -857,9 +933,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -871,9 +948,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -883,9 +961,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -893,9 +972,10 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -904,9 +984,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -917,9 +998,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -927,9 +1009,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -938,9 +1021,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -950,9 +1034,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ActionUsage.cs b/SysML2.NET/Core/AutoGenPoco/ActionUsage.cs
index a9216459..a3f36410 100644
--- a/SysML2.NET/Core/AutoGenPoco/ActionUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ActionUsage.cs
@@ -86,15 +86,17 @@ public partial class ActionUsage : IActionUsage
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -103,9 +105,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -117,9 +120,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -129,15 +133,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -147,6 +153,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -157,9 +164,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -172,9 +180,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -183,9 +192,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -194,9 +204,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -204,6 +215,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -212,9 +224,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -222,6 +235,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -229,9 +243,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -241,9 +256,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -251,9 +267,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -262,18 +279,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -283,9 +302,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -293,9 +313,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -303,9 +324,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -313,9 +335,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -324,9 +347,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -334,9 +358,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -349,9 +374,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -359,6 +385,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -367,15 +394,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -383,12 +412,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -402,6 +433,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -412,6 +444,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -419,21 +452,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -441,15 +477,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -461,12 +499,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -474,13 +514,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -493,9 +536,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -503,9 +547,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -513,9 +558,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -525,9 +571,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -537,9 +584,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -547,9 +595,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -557,9 +606,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -567,9 +617,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -577,9 +628,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -587,9 +639,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -597,9 +650,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -607,9 +661,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -619,9 +674,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -629,9 +685,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -639,9 +696,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -649,9 +707,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -659,9 +718,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -669,9 +729,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -679,9 +740,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -689,9 +751,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -699,9 +762,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -709,9 +773,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -719,9 +784,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -729,9 +795,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -739,9 +806,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -749,9 +817,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -759,9 +828,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -770,9 +840,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -780,9 +851,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -790,9 +862,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -800,9 +873,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -810,9 +884,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -823,9 +898,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -833,9 +909,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -845,9 +922,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -856,9 +934,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -867,9 +946,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -879,9 +959,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -891,9 +972,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -901,9 +983,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -912,9 +995,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -922,9 +1006,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -934,9 +1019,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -946,9 +1032,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -958,9 +1045,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -970,9 +1058,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -981,9 +1070,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -992,9 +1082,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1005,9 +1096,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1016,9 +1108,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1027,9 +1120,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1037,6 +1131,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1046,9 +1141,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1058,9 +1154,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1070,9 +1167,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1082,9 +1180,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1093,9 +1192,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1103,9 +1203,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1114,9 +1215,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1124,9 +1226,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1135,9 +1238,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1146,9 +1250,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1156,6 +1261,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1165,9 +1271,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1175,9 +1282,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1186,9 +1294,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1197,6 +1306,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1208,9 +1318,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1220,9 +1331,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1231,9 +1343,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1244,9 +1357,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1257,9 +1371,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1267,9 +1382,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1278,9 +1394,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1289,9 +1406,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ActorMembership.cs b/SysML2.NET/Core/AutoGenPoco/ActorMembership.cs
index a54e3e9e..1b7e05a7 100644
--- a/SysML2.NET/Core/AutoGenPoco/ActorMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ActorMembership.cs
@@ -58,12 +58,14 @@ public partial class ActorMembership : IActorMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -73,6 +75,7 @@ public partial class ActorMembership : IActorMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -81,9 +84,10 @@ public partial class ActorMembership : IActorMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -91,6 +95,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -98,6 +103,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -108,15 +114,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -124,23 +132,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -150,16 +163,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -168,9 +184,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -178,9 +195,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621464305451_983612_1421", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1557528016548_548098_110830")]
+        [Implements(implementation: "IActorMembership.OwnedActorParameter")]
         public IPartUsage QueryOwnedActorParameter()
         {
-            throw new NotImplementedException("Derived property OwnedActorParameter not yet supported");
+            return this.ComputeOwnedActorParameter();
         }
 
         /// <summary>
@@ -190,9 +208,10 @@ public IPartUsage QueryOwnedActorParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -200,9 +219,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -213,9 +233,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -223,9 +244,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -235,9 +257,10 @@ public string QueryOwnedMemberElementId()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
         [RedefinedByProperty("IParameterMembership.OwnedMemberParameter")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         public IFeature QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -245,9 +268,10 @@ public IFeature QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -256,9 +280,10 @@ public string QueryOwnedMemberName()
         [Property(xmiId: "_18_5_3_12e503d9_1557528016548_548098_110830", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674993_898044_43344")]
         [RedefinedByProperty("IActorMembership.OwnedActorParameter")]
+        [Implements(implementation: "IParameterMembership.OwnedMemberParameter")]
         public IFeature QueryOwnedMemberParameter()
         {
-            throw new NotImplementedException("Derived property OwnedMemberParameter not yet supported");
+            return this.ComputeOwnedMemberParameter();
         }
 
         /// <summary>
@@ -266,9 +291,10 @@ public IFeature QueryOwnedMemberParameter()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -276,6 +302,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -283,6 +310,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -290,9 +318,10 @@ public string QueryOwnedMemberShortName()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -301,9 +330,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -312,9 +342,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -322,6 +353,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -329,6 +361,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -337,9 +370,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -351,9 +385,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -361,9 +396,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -373,9 +409,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -383,14 +420,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -398,9 +439,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -408,6 +450,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/AllocationDefinition.cs b/SysML2.NET/Core/AutoGenPoco/AllocationDefinition.cs
index 3d05a7e5..c494d924 100644
--- a/SysML2.NET/Core/AutoGenPoco/AllocationDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/AllocationDefinition.cs
@@ -31,6 +31,7 @@ namespace SysML2.NET.Core.POCO.Systems.Allocations
     using SysML2.NET.Core.POCO.Core.Classifiers;
     using SysML2.NET.Core.POCO.Core.Features;
     using SysML2.NET.Core.POCO.Core.Types;
+    using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Root.Annotations;
     using SysML2.NET.Core.POCO.Root.Elements;
     using SysML2.NET.Core.POCO.Root.Namespaces;
@@ -80,6 +81,7 @@ public partial class AllocationDefinition : IAllocationDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -87,9 +89,10 @@ public partial class AllocationDefinition : IAllocationDefinition
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430644481_402036_964", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IAllocationDefinition.Allocation")]
         public List<IAllocationUsage> QueryAllocation()
         {
-            throw new NotImplementedException("Derived property Allocation not yet supported");
+            return this.ComputeAllocation();
         }
 
         /// <summary>
@@ -100,9 +103,10 @@ public List<IAllocationUsage> QueryAllocation()
         [Property(xmiId: "_18_5_3_12e503d9_1562477648742_24204_22901", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [RedefinedByProperty("IConnectionDefinition.ConnectionEnd")]
+        [Implements(implementation: "IAssociation.AssociationEnd")]
         public List<IFeature> QueryAssociationEnd()
         {
-            throw new NotImplementedException("Derived property AssociationEnd not yet supported");
+            return this.ComputeAssociationEnd();
         }
 
         /// <summary>
@@ -110,15 +114,17 @@ public List<IFeature> QueryAssociationEnd()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591476421094_685440_682", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562477648742_24204_22901")]
+        [Implements(implementation: "IConnectionDefinition.ConnectionEnd")]
         public List<IUsage> QueryConnectionEnd()
         {
-            throw new NotImplementedException("Derived property ConnectionEnd not yet supported");
+            return this.ComputeConnectionEnd();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -128,6 +134,7 @@ public List<IUsage> QueryConnectionEnd()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -140,9 +147,10 @@ public List<IUsage> QueryConnectionEnd()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -150,9 +158,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -161,9 +170,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -172,9 +182,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -182,6 +193,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -190,9 +202,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IAssociation.AssociationEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -200,9 +213,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -211,9 +225,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -221,9 +236,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -231,9 +247,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -242,9 +259,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -252,9 +270,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -267,9 +286,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -277,15 +297,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -293,6 +315,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -303,21 +326,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -325,6 +351,7 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1734734871008_462076_156", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1564072709069_937523_30797")]
+        [Implements(implementation: "IConnectionDefinition.IsSufficient")]
         bool Systems.Connections.IConnectionDefinition.IsSufficient { get; set; }
 
         /// <summary>
@@ -336,13 +363,16 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IConnectionDefinition.IsSufficient")] bool Core.Types.IType.IsSufficient { get; set; }
+        [RedefinedByProperty("IConnectionDefinition.IsSufficient")]
+        [Implements(implementation: "IType.IsSufficient")]
+        bool Core.Types.IType.IsSufficient { get; set; }
 
         /// <summary>
         /// Whether this Definition is for a variation point or not. If true, then all the memberships of the
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -350,9 +380,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -360,9 +391,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -372,9 +404,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -384,9 +417,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -394,9 +428,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -404,9 +439,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -414,9 +450,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -424,9 +461,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -436,9 +474,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -446,9 +485,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -456,9 +496,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -466,9 +507,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -476,9 +518,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -487,9 +530,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -499,9 +543,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -509,9 +554,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -521,9 +567,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -533,9 +580,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -543,9 +591,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -554,9 +603,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -564,9 +614,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -574,9 +625,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -586,9 +638,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -596,9 +649,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -608,9 +662,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -618,9 +673,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -629,9 +685,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -639,9 +696,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -650,9 +708,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -663,9 +722,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -673,9 +733,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -683,9 +744,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -693,9 +755,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -703,9 +766,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -713,9 +777,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -723,6 +788,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -730,6 +796,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -737,9 +804,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -747,9 +815,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -759,9 +828,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -769,9 +839,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -780,9 +851,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -790,9 +862,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -801,9 +874,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -812,9 +886,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -822,9 +897,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -832,9 +908,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -842,9 +919,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -852,9 +930,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -862,9 +941,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -873,9 +953,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -884,9 +965,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -894,6 +976,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -901,6 +984,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -912,9 +996,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -923,9 +1008,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IAssociation.RelatedType")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -934,9 +1020,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_4339_43349", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IAssociation.RelatedType")]
         public List<IType> QueryRelatedType()
         {
-            throw new NotImplementedException("Derived property RelatedType not yet supported");
+            return this.ComputeRelatedType();
         }
 
         /// <summary>
@@ -946,9 +1033,10 @@ public List<IType> QueryRelatedType()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -956,7 +1044,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.SourceType")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IAssociation.SourceType")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedType for this Association. It is the first relatedType of the Association.
@@ -964,9 +1054,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594939013292_377668_3566", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IAssociation.SourceType")]
         public IType QuerySourceType()
         {
-            throw new NotImplementedException("Derived property SourceType not yet supported");
+            return this.ComputeSourceType();
         }
 
         /// <summary>
@@ -974,7 +1065,9 @@ public IType QuerySourceType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.TargetType")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IAssociation.TargetType")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedTypes for this Association. This includes all the relatedTypes other than the
@@ -983,9 +1076,10 @@ public IType QuerySourceType()
         [Property(xmiId: "_19_0_2_12e503d9_1594939237325_861933_3707", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IAssociation.TargetType")]
         public List<IType> QueryTargetType()
         {
-            throw new NotImplementedException("Derived property TargetType not yet supported");
+            return this.ComputeTargetType();
         }
 
         /// <summary>
@@ -994,9 +1088,10 @@ public List<IType> QueryTargetType()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1007,9 +1102,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1017,9 +1113,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1028,9 +1125,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1040,9 +1138,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/AllocationUsage.cs b/SysML2.NET/Core/AutoGenPoco/AllocationUsage.cs
index 666764b3..11acdec7 100644
--- a/SysML2.NET/Core/AutoGenPoco/AllocationUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/AllocationUsage.cs
@@ -35,6 +35,7 @@ namespace SysML2.NET.Core.POCO.Systems.Allocations
     using SysML2.NET.Core.POCO.Core.Types;
     using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Kernel.Classes;
+    using SysML2.NET.Core.POCO.Kernel.Connectors;
     using SysML2.NET.Core.POCO.Kernel.Structures;
     using SysML2.NET.Core.POCO.Root.Annotations;
     using SysML2.NET.Core.POCO.Root.Elements;
@@ -81,6 +82,7 @@ public partial class AllocationUsage : IAllocationUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -88,9 +90,10 @@ public partial class AllocationUsage : IAllocationUsage
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430742949_241425_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1594853499656_139435_802")]
+        [Implements(implementation: "IAllocationUsage.AllocationDefinition")]
         public List<IAllocationDefinition> QueryAllocationDefinition()
         {
-            throw new NotImplementedException("Derived property AllocationDefinition not yet supported");
+            return this.ComputeAllocationDefinition();
         }
 
         /// <summary>
@@ -99,9 +102,10 @@ public List<IAllocationDefinition> QueryAllocationDefinition()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674983_471497_43284", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IConnectionUsage.ConnectionDefinition")]
+        [Implements(implementation: "IConnector.Association")]
         public List<IAssociation> QueryAssociation()
         {
-            throw new NotImplementedException("Derived property Association not yet supported");
+            return this.ComputeAssociation();
         }
 
         /// <summary>
@@ -113,9 +117,10 @@ public List<IAssociation> QueryAssociation()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -127,9 +132,10 @@ public List<IFeature> QueryChainingFeature()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565471361757_649736_20796")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674983_471497_43284")]
         [RedefinedByProperty("IAllocationUsage.AllocationDefinition")]
+        [Implements(implementation: "IConnectionUsage.ConnectionDefinition")]
         public List<IAssociationStructure> QueryConnectionDefinition()
         {
-            throw new NotImplementedException("Derived property ConnectionDefinition not yet supported");
+            return this.ComputeConnectionDefinition();
         }
 
         /// <summary>
@@ -139,9 +145,10 @@ public List<IAssociationStructure> QueryConnectionDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1556735067666_827798_21922", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IConnector.ConnectorEnd")]
         public List<IFeature> QueryConnectorEnd()
         {
-            throw new NotImplementedException("Derived property ConnectorEnd not yet supported");
+            return this.ComputeConnectorEnd();
         }
 
         /// <summary>
@@ -151,15 +158,17 @@ public List<IFeature> QueryConnectorEnd()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -169,6 +178,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -177,9 +187,10 @@ public IFeature QueryCrossFeature()
         /// checkConnectorTypeFeaturing constraint.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737751598145_444042_71", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IConnector.DefaultFeaturingType")]
         public IType QueryDefaultFeaturingType()
         {
-            throw new NotImplementedException("Derived property DefaultFeaturingType not yet supported");
+            return this.ComputeDefaultFeaturingType();
         }
 
         /// <summary>
@@ -190,9 +201,10 @@ public IType QueryDefaultFeaturingType()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -205,9 +217,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -215,9 +228,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -226,9 +240,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -236,6 +251,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -244,9 +260,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -254,6 +271,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -262,9 +280,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IConnector.ConnectorEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -274,9 +293,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -284,9 +304,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -295,18 +316,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -316,9 +339,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -326,9 +350,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -336,9 +361,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -346,9 +372,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -357,9 +384,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -367,9 +395,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -382,9 +411,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -392,6 +422,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -400,15 +431,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -416,12 +449,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -435,6 +470,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -442,6 +478,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -452,6 +489,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -459,21 +497,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -481,15 +522,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -501,12 +544,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -514,13 +559,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -530,9 +578,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565471361757_649736_20796", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IItemUsage.ItemDefinition")]
         public List<IStructure> QueryItemDefinition()
         {
-            throw new NotImplementedException("Derived property ItemDefinition not yet supported");
+            return this.ComputeItemDefinition();
         }
 
         /// <summary>
@@ -545,9 +594,10 @@ public List<IStructure> QueryItemDefinition()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -555,9 +605,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -565,9 +616,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -577,9 +629,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -589,9 +642,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -599,9 +653,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -609,9 +664,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -619,9 +675,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -629,9 +686,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -639,9 +697,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -649,9 +708,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -659,9 +719,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -671,9 +732,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -681,9 +743,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -691,9 +754,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -701,9 +765,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -711,9 +776,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -721,9 +787,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -731,9 +798,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -741,9 +809,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -751,9 +820,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -761,9 +831,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -771,9 +842,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -781,9 +853,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -791,9 +864,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -801,9 +875,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -811,9 +886,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -822,9 +898,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -832,9 +909,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -842,9 +920,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -852,9 +931,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -862,9 +942,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -874,9 +955,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -884,9 +966,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -896,9 +979,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -907,9 +991,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -918,9 +1003,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -930,9 +1016,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -942,9 +1029,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -952,9 +1040,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -963,9 +1052,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -973,9 +1063,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -985,9 +1076,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -997,9 +1089,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1009,9 +1102,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1021,9 +1115,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1032,9 +1127,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1043,9 +1139,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1056,9 +1153,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1067,9 +1165,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1078,9 +1177,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1088,6 +1188,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -1095,6 +1196,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1104,9 +1206,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1116,9 +1219,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1128,9 +1232,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1140,9 +1245,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1151,9 +1257,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1161,9 +1268,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1172,9 +1280,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1182,9 +1291,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1193,9 +1303,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1204,9 +1315,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1214,6 +1326,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -1221,6 +1334,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1230,9 +1344,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1240,9 +1355,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1250,9 +1366,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591475180488_929065_121", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565471361757_649736_20796")]
+        [Implements(implementation: "IPartUsage.PartDefinition")]
         public List<IPartDefinition> QueryPartDefinition()
         {
-            throw new NotImplementedException("Derived property PartDefinition not yet supported");
+            return this.ComputePartDefinition();
         }
 
         /// <summary>
@@ -1261,6 +1378,7 @@ public List<IPartDefinition> QueryPartDefinition()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1272,9 +1390,10 @@ public List<IPartDefinition> QueryPartDefinition()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1283,9 +1402,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IConnector.RelatedFeature")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -1294,9 +1414,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_916334_43210", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IConnector.RelatedFeature")]
         public List<IFeature> QueryRelatedFeature()
         {
-            throw new NotImplementedException("Derived property RelatedFeature not yet supported");
+            return this.ComputeRelatedFeature();
         }
 
         /// <summary>
@@ -1306,9 +1427,10 @@ public List<IFeature> QueryRelatedFeature()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1316,7 +1438,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.SourceFeature")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConnector.SourceFeature")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedFeature for this Connector. It is the first relatedFeature.
@@ -1324,9 +1448,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594953058873_558253_3897", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConnector.SourceFeature")]
         public IFeature QuerySourceFeature()
         {
-            throw new NotImplementedException("Derived property SourceFeature not yet supported");
+            return this.ComputeSourceFeature();
         }
 
         /// <summary>
@@ -1334,7 +1459,9 @@ public IFeature QuerySourceFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.TargetFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConnector.TargetFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedFeatures for this Connector. This includes all the relatedFeatures other than the
@@ -1343,9 +1470,10 @@ public IFeature QuerySourceFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594953128207_991867_3946", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IConnector.TargetFeature")]
         public List<IFeature> QueryTargetFeature()
         {
-            throw new NotImplementedException("Derived property TargetFeature not yet supported");
+            return this.ComputeTargetFeature();
         }
 
         /// <summary>
@@ -1354,9 +1482,10 @@ public List<IFeature> QueryTargetFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1367,9 +1496,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1380,9 +1510,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1390,9 +1521,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1401,9 +1533,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1412,9 +1545,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/AnalysisCaseDefinition.cs b/SysML2.NET/Core/AutoGenPoco/AnalysisCaseDefinition.cs
index 05e3459f..2f046a48 100644
--- a/SysML2.NET/Core/AutoGenPoco/AnalysisCaseDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/AnalysisCaseDefinition.cs
@@ -80,9 +80,10 @@ public partial class AnalysisCaseDefinition : IAnalysisCaseDefinition
         [Property(xmiId: "_18_5_3_12e503d9_1565500809065_170841_30688", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IActionDefinition.Action")]
         public List<IActionUsage> QueryAction()
         {
-            throw new NotImplementedException("Derived property Action not yet supported");
+            return this.ComputeAction();
         }
 
         /// <summary>
@@ -91,15 +92,17 @@ public List<IActionUsage> QueryAction()
         [Property(xmiId: "_19_0_4_12e503d9_1621464609772_382176_1612", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "ICaseDefinition.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -108,15 +111,17 @@ public List<IPartUsage> QueryActorParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1588214479224_101961_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565500809065_170841_30688")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948400639_301251_20841")]
+        [Implements(implementation: "ICalculationDefinition.Calculation")]
         public List<ICalculationUsage> QueryCalculation()
         {
-            throw new NotImplementedException("Derived property Calculation not yet supported");
+            return this.ComputeCalculation();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -126,6 +131,7 @@ public List<ICalculationUsage> QueryCalculation()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -138,9 +144,10 @@ public List<ICalculationUsage> QueryCalculation()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -149,9 +156,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -160,9 +168,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -171,9 +180,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -181,6 +191,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -188,9 +199,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -198,9 +210,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948400639_301251_20841", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
+        [Implements(implementation: "IFunction.Expression")]
         public List<IExpression> QueryExpression()
         {
-            throw new NotImplementedException("Derived property Expression not yet supported");
+            return this.ComputeExpression();
         }
 
         /// <summary>
@@ -208,9 +221,10 @@ public List<IExpression> QueryExpression()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -219,9 +233,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -229,9 +244,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -239,9 +255,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -250,9 +267,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -260,9 +278,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -275,9 +294,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -285,15 +305,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -304,21 +326,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -329,9 +354,10 @@ public bool QueryIsLibraryElement()
         /// model-level evaluable.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617395221463_139517_26381", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFunction.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
@@ -343,6 +369,7 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -350,6 +377,7 @@ public bool QueryIsModelLevelEvaluable()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -357,9 +385,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -367,9 +396,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -379,9 +409,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -391,9 +422,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -401,9 +433,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590259317710_27529_910", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "ICaseDefinition.ObjectiveRequirement")]
         public IRequirementUsage QueryObjectiveRequirement()
         {
-            throw new NotImplementedException("Derived property ObjectiveRequirement not yet supported");
+            return this.ComputeObjectiveRequirement();
         }
 
         /// <summary>
@@ -411,9 +444,10 @@ public IRequirementUsage QueryObjectiveRequirement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -421,9 +455,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -431,9 +466,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -441,9 +477,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -453,9 +490,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -463,9 +501,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -473,9 +512,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -483,9 +523,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -493,9 +534,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -504,9 +546,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -516,9 +559,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -526,9 +570,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -538,9 +583,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -550,9 +596,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -560,9 +607,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -571,9 +619,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -581,9 +630,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -591,9 +641,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -603,9 +654,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -613,9 +665,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -625,9 +678,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -635,9 +689,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -646,9 +701,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -656,9 +712,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -667,9 +724,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -680,9 +738,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -690,9 +749,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -700,9 +760,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -710,9 +771,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -720,9 +782,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -730,9 +793,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -740,6 +804,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -747,9 +812,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -757,9 +823,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -769,9 +836,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -779,9 +847,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -790,9 +859,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -800,9 +870,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -811,9 +882,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -822,9 +894,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -832,9 +905,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -842,9 +916,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -852,9 +927,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -862,9 +938,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -872,9 +949,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -883,9 +961,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -894,9 +973,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -904,6 +984,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -912,9 +993,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -926,9 +1008,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -937,9 +1020,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_18_5_3_12e503d9_1543948912268_88159_21323", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
+        [Implements(implementation: "IFunction.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -949,9 +1033,10 @@ public IFeature QueryResult()
         [Property(xmiId: "_19_0_2_59601fc_1590945152798_315308_221", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948400639_301251_20841")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IAnalysisCaseDefinition.ResultExpression")]
         public IExpression QueryResultExpression()
         {
-            throw new NotImplementedException("Derived property ResultExpression not yet supported");
+            return this.ComputeResultExpression();
         }
 
         /// <summary>
@@ -961,9 +1046,10 @@ public IExpression QueryResultExpression()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -971,9 +1057,10 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -982,9 +1069,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1595189932946_106647_973", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "ICaseDefinition.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -993,9 +1081,10 @@ public IUsage QuerySubjectParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1006,9 +1095,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1016,9 +1106,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1027,9 +1118,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1039,9 +1131,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/AnalysisCaseUsage.cs b/SysML2.NET/Core/AutoGenPoco/AnalysisCaseUsage.cs
index 679735f9..85b33bb4 100644
--- a/SysML2.NET/Core/AutoGenPoco/AnalysisCaseUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/AnalysisCaseUsage.cs
@@ -85,9 +85,10 @@ public partial class AnalysisCaseUsage : IAnalysisCaseUsage
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
         [RedefinedByProperty("ICalculationUsage.CalculationDefinition")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
@@ -96,15 +97,17 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_19_0_4_12e503d9_1621464633171_380461_1655", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "ICaseUsage.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -112,9 +115,10 @@ public List<IPartUsage> QueryActorParameter()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152217935_225164_2921", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_59601fc_1590257465225_855208_512")]
+        [Implements(implementation: "IAnalysisCaseUsage.AnalysisCaseDefinition")]
         public IAnalysisCaseDefinition QueryAnalysisCaseDefinition()
         {
-            throw new NotImplementedException("Derived property AnalysisCaseDefinition not yet supported");
+            return this.ComputeAnalysisCaseDefinition();
         }
 
         /// <summary>
@@ -123,9 +127,10 @@ public IAnalysisCaseDefinition QueryAnalysisCaseDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -137,9 +142,10 @@ public List<IBehavior> QueryBehavior()
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543948477241_299049_20934")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1565500905804_589845_30779")]
         [RedefinedByProperty("ICaseUsage.CaseDefinition")]
+        [Implements(implementation: "ICalculationUsage.CalculationDefinition")]
         public IFunction QueryCalculationDefinition()
         {
-            throw new NotImplementedException("Derived property CalculationDefinition not yet supported");
+            return this.ComputeCalculationDefinition();
         }
 
         /// <summary>
@@ -148,9 +154,10 @@ public IFunction QueryCalculationDefinition()
         [Property(xmiId: "_19_0_2_59601fc_1590257465225_855208_512", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1588213526305_899324_302")]
         [RedefinedByProperty("IAnalysisCaseUsage.AnalysisCaseDefinition")]
+        [Implements(implementation: "ICaseUsage.CaseDefinition")]
         public ICaseDefinition QueryCaseDefinition()
         {
-            throw new NotImplementedException("Derived property CaseDefinition not yet supported");
+            return this.ComputeCaseDefinition();
         }
 
         /// <summary>
@@ -162,9 +169,10 @@ public ICaseDefinition QueryCaseDefinition()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -174,15 +182,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -192,6 +202,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -202,9 +213,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -217,9 +229,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -228,9 +241,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -239,9 +253,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -249,6 +264,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -257,9 +273,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -267,6 +284,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -274,9 +292,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -286,9 +305,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -296,9 +316,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -307,18 +328,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -328,9 +351,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -339,9 +363,10 @@ public List<IType> QueryFeaturingType()
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("ICalculationUsage.CalculationDefinition")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -349,9 +374,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -359,9 +385,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -369,9 +396,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -380,9 +408,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -390,9 +419,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -405,9 +435,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -415,6 +446,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -423,15 +455,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -439,12 +473,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -458,6 +494,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -468,6 +505,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -475,15 +513,17 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -491,15 +531,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -507,15 +549,17 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -527,12 +571,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -540,13 +586,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -559,9 +608,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -569,9 +619,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -579,9 +630,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -591,9 +643,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -603,9 +656,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -613,9 +667,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -623,9 +678,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -633,9 +689,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -643,9 +700,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -653,9 +711,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -663,9 +722,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -673,9 +733,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -685,9 +746,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -695,9 +757,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -705,9 +768,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -715,9 +779,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -725,9 +790,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -735,9 +801,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -745,9 +812,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -755,9 +823,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -765,9 +834,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -775,9 +845,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -785,9 +856,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -795,9 +867,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -805,9 +878,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -815,9 +889,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -825,9 +900,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -836,9 +912,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -846,9 +923,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -856,9 +934,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -866,9 +945,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -876,9 +956,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -886,9 +967,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591138794257_404044_2145", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "ICaseUsage.ObjectiveRequirement")]
         public IRequirementUsage QueryObjectiveRequirement()
         {
-            throw new NotImplementedException("Derived property ObjectiveRequirement not yet supported");
+            return this.ComputeObjectiveRequirement();
         }
 
         /// <summary>
@@ -899,9 +981,10 @@ public IRequirementUsage QueryObjectiveRequirement()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -909,9 +992,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -921,9 +1005,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -932,9 +1017,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -943,9 +1029,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -955,9 +1042,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -967,9 +1055,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -977,9 +1066,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -988,9 +1078,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -998,9 +1089,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -1010,9 +1102,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -1022,9 +1115,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1034,9 +1128,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1046,9 +1141,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1057,9 +1153,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1068,9 +1165,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1081,9 +1179,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1092,9 +1191,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1103,9 +1203,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1113,6 +1214,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1122,9 +1224,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1134,9 +1237,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1146,9 +1250,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1158,9 +1263,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1169,9 +1275,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1179,9 +1286,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1190,9 +1298,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1200,9 +1309,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1211,9 +1321,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1222,9 +1333,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1232,6 +1344,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1241,9 +1354,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1251,9 +1365,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1262,9 +1377,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1273,6 +1389,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1284,9 +1401,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1297,9 +1415,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -1308,9 +1427,10 @@ public IFeature QueryResult()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591151453868_910052_2600", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IAnalysisCaseUsage.ResultExpression")]
         public IExpression QueryResultExpression()
         {
-            throw new NotImplementedException("Derived property ResultExpression not yet supported");
+            return this.ComputeResultExpression();
         }
 
         /// <summary>
@@ -1320,9 +1440,10 @@ public IExpression QueryResultExpression()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1331,9 +1452,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1595190279083_51021_1128", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "ICaseUsage.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -1342,9 +1464,10 @@ public IUsage QuerySubjectParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1355,9 +1478,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1368,9 +1492,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1378,9 +1503,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1389,9 +1515,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1400,9 +1527,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/AnnotatingElement.cs b/SysML2.NET/Core/AutoGenPoco/AnnotatingElement.cs
index 68fcd439..264cf750 100644
--- a/SysML2.NET/Core/AutoGenPoco/AnnotatingElement.cs
+++ b/SysML2.NET/Core/AutoGenPoco/AnnotatingElement.cs
@@ -52,6 +52,7 @@ public partial class AnnotatingElement : IAnnotatingElement
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -60,9 +61,10 @@ public partial class AnnotatingElement : IAnnotatingElement
         /// AnnotatingElement.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594145755058_99428_86", aggregation: AggregationKind.None, lowerValue: 1, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IAnnotatingElement.AnnotatedElement")]
         public List<IElement> QueryAnnotatedElement()
         {
-            throw new NotImplementedException("Derived property AnnotatedElement not yet supported");
+            return this.ComputeAnnotatedElement();
         }
 
         /// <summary>
@@ -71,15 +73,17 @@ public List<IElement> QueryAnnotatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543094212714_953084_18407", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IAnnotatingElement.Annotation")]
         public List<IAnnotation> QueryAnnotation()
         {
-            throw new NotImplementedException("Derived property Annotation not yet supported");
+            return this.ComputeAnnotation();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -89,6 +93,7 @@ public List<IAnnotation> QueryAnnotation()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -97,9 +102,10 @@ public List<IAnnotation> QueryAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -107,6 +113,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -117,15 +124,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -135,9 +144,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -147,9 +157,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_4_12e503d9_1703019570915_375100_18", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IAnnotatingElement.OwnedAnnotatingRelationship")]
         public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotatingRelationship not yet supported");
+            return this.ComputeOwnedAnnotatingRelationship();
         }
 
         /// <summary>
@@ -159,9 +170,10 @@ public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -169,9 +181,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -179,6 +192,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -186,9 +200,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -197,9 +212,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_2022x_2_12e503d9_1735188506571_308678_376", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
+        [Implements(implementation: "IAnnotatingElement.OwningAnnotatingRelationship")]
         public IAnnotation QueryOwningAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwningAnnotatingRelationship not yet supported");
+            return this.ComputeOwningAnnotatingRelationship();
         }
 
         /// <summary>
@@ -208,9 +224,10 @@ public IAnnotation QueryOwningAnnotatingRelationship()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -219,9 +236,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -229,6 +247,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -240,9 +259,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -252,9 +272,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -263,9 +284,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Annotation.cs b/SysML2.NET/Core/AutoGenPoco/Annotation.cs
index 1bf21315..1255e190 100644
--- a/SysML2.NET/Core/AutoGenPoco/Annotation.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Annotation.cs
@@ -51,6 +51,7 @@ public partial class Annotation : IAnnotation
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -58,6 +59,7 @@ public partial class Annotation : IAnnotation
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543094430277_494140_18542", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IAnnotation.AnnotatedElement")]
         public IElement AnnotatedElement { get; set; }
 
         /// <summary>
@@ -66,15 +68,17 @@ public partial class Annotation : IAnnotation
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543094212714_638255_18408", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IAnnotation.AnnotatingElement")]
         public IAnnotatingElement QueryAnnotatingElement()
         {
-            throw new NotImplementedException("Derived property AnnotatingElement not yet supported");
+            return this.ComputeAnnotatingElement();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -84,6 +88,7 @@ public IAnnotatingElement QueryAnnotatingElement()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -92,9 +97,10 @@ public IAnnotatingElement QueryAnnotatingElement()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -102,6 +108,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -109,6 +116,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -119,15 +127,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -137,9 +147,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -148,9 +159,10 @@ public string QueryName()
         [Property(xmiId: "_2022x_2_12e503d9_1735188506571_384269_375", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_638255_18408")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
+        [Implements(implementation: "IAnnotation.OwnedAnnotatingElement")]
         public IAnnotatingElement QueryOwnedAnnotatingElement()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotatingElement not yet supported");
+            return this.ComputeOwnedAnnotatingElement();
         }
 
         /// <summary>
@@ -160,9 +172,10 @@ public IAnnotatingElement QueryOwnedAnnotatingElement()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -170,9 +183,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -180,6 +194,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -187,6 +202,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -194,9 +210,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -205,9 +222,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_104456_2501", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_494140_18542")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
+        [Implements(implementation: "IAnnotation.OwningAnnotatedElement")]
         public IElement QueryOwningAnnotatedElement()
         {
-            throw new NotImplementedException("Derived property OwningAnnotatedElement not yet supported");
+            return this.ComputeOwningAnnotatedElement();
         }
 
         /// <summary>
@@ -216,9 +234,10 @@ public IElement QueryOwningAnnotatedElement()
         [Property(xmiId: "_19_0_4_12e503d9_1703019570939_266622_19", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_638255_18408")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
+        [Implements(implementation: "IAnnotation.OwningAnnotatingElement")]
         public IAnnotatingElement QueryOwningAnnotatingElement()
         {
-            throw new NotImplementedException("Derived property OwningAnnotatingElement not yet supported");
+            return this.ComputeOwningAnnotatingElement();
         }
 
         /// <summary>
@@ -227,9 +246,10 @@ public IAnnotatingElement QueryOwningAnnotatingElement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -238,9 +258,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -248,6 +269,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -255,6 +277,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -266,9 +289,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -276,9 +300,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -288,9 +313,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -298,14 +324,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAnnotation.AnnotatingElement")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IAnnotation.AnnotatingElement")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAnnotation.AnnotatedElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IAnnotation.AnnotatedElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -313,9 +343,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/AssertConstraintUsage.cs b/SysML2.NET/Core/AutoGenPoco/AssertConstraintUsage.cs
index 52a41d31..08367602 100644
--- a/SysML2.NET/Core/AutoGenPoco/AssertConstraintUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/AssertConstraintUsage.cs
@@ -82,6 +82,7 @@ public partial class AssertConstraintUsage : IAssertConstraintUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -90,9 +91,10 @@ public partial class AssertConstraintUsage : IAssertConstraintUsage
         /// AssertConstraintUsage itself.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1581045158665_239617_9458", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IAssertConstraintUsage.AssertedConstraint")]
         public IConstraintUsage QueryAssertedConstraint()
         {
-            throw new NotImplementedException("Derived property AssertedConstraint not yet supported");
+            return this.ComputeAssertedConstraint();
         }
 
         /// <summary>
@@ -101,9 +103,10 @@ public IConstraintUsage QueryAssertedConstraint()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -115,9 +118,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -127,9 +131,10 @@ public List<IFeature> QueryChainingFeature()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067546711_751168_1745", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1578025035149_386_969")]
+        [Implements(implementation: "IConstraintUsage.ConstraintDefinition")]
         public IPredicate QueryConstraintDefinition()
         {
-            throw new NotImplementedException("Derived property ConstraintDefinition not yet supported");
+            return this.ComputeConstraintDefinition();
         }
 
         /// <summary>
@@ -139,15 +144,17 @@ public IPredicate QueryConstraintDefinition()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -157,6 +164,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -167,9 +175,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -182,9 +191,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -193,9 +203,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -204,9 +215,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -214,6 +226,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -222,9 +235,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -232,6 +246,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -239,9 +254,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -251,9 +267,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -261,9 +278,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -272,18 +290,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -293,9 +313,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -304,9 +325,10 @@ public List<IType> QueryFeaturingType()
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("IBooleanExpression.Predicate")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -314,9 +336,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -324,9 +347,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -334,9 +358,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -345,9 +370,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -355,9 +381,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -370,9 +397,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -380,6 +408,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -388,15 +417,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -404,12 +435,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -423,6 +456,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -433,6 +467,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -440,15 +475,17 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -456,21 +493,24 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether this Invariant is asserted to be false rather than true.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623945815201_648891_36531", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IInvariant.IsNegated")]
         public bool IsNegated { get; set; }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -478,15 +518,17 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -498,12 +540,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -511,13 +555,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -530,9 +577,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -540,9 +588,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -550,9 +599,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -562,9 +612,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -574,9 +625,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -584,9 +636,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -594,9 +647,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -604,9 +658,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -614,9 +669,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -624,9 +680,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -634,9 +691,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -644,9 +702,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -656,9 +715,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -666,9 +726,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -676,9 +737,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -686,9 +748,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -696,9 +759,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -706,9 +770,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -716,9 +781,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -726,9 +792,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -736,9 +803,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -746,9 +814,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -756,9 +825,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -766,9 +836,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -776,9 +847,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -786,9 +858,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -796,9 +869,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -807,9 +881,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -817,9 +892,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -827,9 +903,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -837,9 +914,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -847,9 +925,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -859,9 +938,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -869,9 +949,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -881,9 +962,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -892,9 +974,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -903,9 +986,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -915,9 +999,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -927,9 +1012,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -937,9 +1023,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -948,9 +1035,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -958,9 +1046,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -970,9 +1059,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -982,9 +1072,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -994,9 +1085,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1006,9 +1098,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1017,9 +1110,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1028,9 +1122,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1041,9 +1136,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1052,9 +1148,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1063,9 +1160,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1073,6 +1171,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1082,9 +1181,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1094,9 +1194,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1106,9 +1207,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1118,9 +1220,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1129,9 +1232,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1139,9 +1243,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1150,9 +1255,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1160,9 +1266,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1171,9 +1278,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1182,9 +1290,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1192,6 +1301,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1201,9 +1311,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1211,9 +1322,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1222,9 +1334,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1233,6 +1346,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1241,9 +1355,10 @@ public List<IFeature> QueryParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1578025035149_386_969", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543948477241_299049_20934")]
         [RedefinedByProperty("IConstraintUsage.ConstraintDefinition")]
+        [Implements(implementation: "IBooleanExpression.Predicate")]
         public IPredicate QueryPredicate()
         {
-            throw new NotImplementedException("Derived property Predicate not yet supported");
+            return this.ComputePredicate();
         }
 
         /// <summary>
@@ -1255,9 +1370,10 @@ public IPredicate QueryPredicate()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1268,9 +1384,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -1280,9 +1397,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1291,9 +1409,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1304,9 +1423,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1317,9 +1437,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1327,9 +1448,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1338,9 +1460,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1349,9 +1472,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/AssignmentActionUsage.cs b/SysML2.NET/Core/AutoGenPoco/AssignmentActionUsage.cs
index 49fc45b9..01cdaab6 100644
--- a/SysML2.NET/Core/AutoGenPoco/AssignmentActionUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/AssignmentActionUsage.cs
@@ -87,15 +87,17 @@ public partial class AssignmentActionUsage : IAssignmentActionUsage
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -104,9 +106,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -118,9 +121,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -130,15 +134,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -148,6 +154,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -158,9 +165,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -173,9 +181,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -184,9 +193,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -195,9 +205,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -205,6 +216,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -213,9 +225,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -223,6 +236,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -230,9 +244,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -242,9 +257,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -252,9 +268,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -263,18 +280,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -284,9 +303,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -294,9 +314,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -304,9 +325,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -314,9 +336,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -325,9 +348,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -335,9 +359,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -350,9 +375,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -360,6 +386,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -368,15 +395,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -384,12 +413,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -403,6 +434,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -413,6 +445,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -420,21 +453,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -442,15 +478,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -462,12 +500,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -475,13 +515,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -494,9 +537,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -504,9 +548,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -514,9 +559,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -526,9 +572,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -538,9 +585,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -548,9 +596,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -558,9 +607,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -568,9 +618,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -578,9 +629,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -588,9 +640,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -598,9 +651,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -608,9 +662,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -620,9 +675,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -630,9 +686,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -650,9 +708,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -660,9 +719,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -670,9 +730,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -680,9 +741,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -690,9 +752,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -700,9 +763,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -710,9 +774,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -720,9 +785,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -730,9 +796,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -740,9 +807,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -750,9 +818,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -760,9 +829,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -771,9 +841,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -781,9 +852,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -791,9 +863,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -801,9 +874,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -811,9 +885,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -824,9 +899,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -834,9 +910,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -846,9 +923,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -857,9 +935,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -868,9 +947,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -880,9 +960,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -892,9 +973,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -902,9 +984,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -913,9 +996,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -923,9 +1007,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -935,9 +1020,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -947,9 +1033,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -959,9 +1046,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -971,9 +1059,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -982,9 +1071,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -993,9 +1083,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1006,9 +1097,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1017,9 +1109,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1028,9 +1121,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1038,6 +1132,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1047,9 +1142,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1059,9 +1155,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1071,9 +1168,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1083,9 +1181,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1094,9 +1193,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1104,9 +1204,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1115,9 +1216,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1125,9 +1227,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1136,9 +1239,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1147,9 +1251,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1157,6 +1262,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1166,9 +1272,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1176,9 +1283,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1187,9 +1295,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1198,6 +1307,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1209,9 +1319,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1219,9 +1330,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624202269076_561550_3109", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IAssignmentActionUsage.Referent")]
         public IFeature QueryReferent()
         {
-            throw new NotImplementedException("Derived property Referent not yet supported");
+            return this.ComputeReferent();
         }
 
         /// <summary>
@@ -1231,9 +1343,10 @@ public IFeature QueryReferent()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1242,9 +1355,10 @@ public string QueryShortName()
         /// AssignmentActionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624201786354_844501_2835", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IAssignmentActionUsage.TargetArgument")]
         public IExpression QueryTargetArgument()
         {
-            throw new NotImplementedException("Derived property TargetArgument not yet supported");
+            return this.ComputeTargetArgument();
         }
 
         /// <summary>
@@ -1253,9 +1367,10 @@ public IExpression QueryTargetArgument()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1266,9 +1381,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1279,9 +1395,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1289,18 +1406,20 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
         /// The Expression whose result is to be assigned to the referent Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624201792996_104394_2856", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IAssignmentActionUsage.ValueExpression")]
         public IExpression QueryValueExpression()
         {
-            throw new NotImplementedException("Derived property ValueExpression not yet supported");
+            return this.ComputeValueExpression();
         }
 
         /// <summary>
@@ -1309,9 +1428,10 @@ public IExpression QueryValueExpression()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1320,9 +1440,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Association.cs b/SysML2.NET/Core/AutoGenPoco/Association.cs
index c841162f..9e2b8941 100644
--- a/SysML2.NET/Core/AutoGenPoco/Association.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Association.cs
@@ -56,6 +56,7 @@ public partial class Association : IAssociation
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -65,15 +66,17 @@ public partial class Association : IAssociation
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562477648742_24204_22901", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IAssociation.AssociationEnd")]
         public List<IFeature> QueryAssociationEnd()
         {
-            throw new NotImplementedException("Derived property AssociationEnd not yet supported");
+            return this.ComputeAssociationEnd();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -83,6 +86,7 @@ public List<IFeature> QueryAssociationEnd()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -95,9 +99,10 @@ public List<IFeature> QueryAssociationEnd()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -105,9 +110,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -116,9 +122,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -126,6 +133,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -134,9 +142,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IAssociation.AssociationEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -144,9 +153,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -155,9 +165,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -165,9 +176,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -175,9 +187,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -186,9 +199,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -196,9 +210,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -211,9 +226,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -221,15 +237,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -237,6 +255,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -247,15 +266,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -267,6 +288,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -274,9 +296,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -284,9 +307,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -296,9 +320,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -308,9 +333,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -318,9 +344,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -330,9 +357,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -341,9 +369,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -353,9 +382,10 @@ public IConjugation QueryOwnedConjugator()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -365,9 +395,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -375,9 +406,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -386,9 +418,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -396,9 +429,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -408,9 +442,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -420,9 +455,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -431,9 +467,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -442,9 +479,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -455,9 +493,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -465,6 +504,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -472,6 +512,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -481,9 +522,10 @@ public List<IMembership> QueryOwnedMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -492,9 +534,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -503,9 +546,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -513,9 +557,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -524,9 +569,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -535,9 +581,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -545,6 +592,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -552,6 +600,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -563,9 +612,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -574,9 +624,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IAssociation.RelatedType")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -585,9 +636,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_4339_43349", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IAssociation.RelatedType")]
         public List<IType> QueryRelatedType()
         {
-            throw new NotImplementedException("Derived property RelatedType not yet supported");
+            return this.ComputeRelatedType();
         }
 
         /// <summary>
@@ -597,9 +649,10 @@ public List<IType> QueryRelatedType()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -607,7 +660,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.SourceType")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IAssociation.SourceType")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedType for this Association. It is the first relatedType of the Association.
@@ -615,9 +670,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594939013292_377668_3566", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IAssociation.SourceType")]
         public IType QuerySourceType()
         {
-            throw new NotImplementedException("Derived property SourceType not yet supported");
+            return this.ComputeSourceType();
         }
 
         /// <summary>
@@ -625,7 +681,9 @@ public IType QuerySourceType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.TargetType")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IAssociation.TargetType")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedTypes for this Association. This includes all the relatedTypes other than the
@@ -634,9 +692,10 @@ public IType QuerySourceType()
         [Property(xmiId: "_19_0_2_12e503d9_1594939237325_861933_3707", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IAssociation.TargetType")]
         public List<IType> QueryTargetType()
         {
-            throw new NotImplementedException("Derived property TargetType not yet supported");
+            return this.ComputeTargetType();
         }
 
         /// <summary>
@@ -645,9 +704,10 @@ public List<IType> QueryTargetType()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -658,9 +718,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/AssociationStructure.cs b/SysML2.NET/Core/AutoGenPoco/AssociationStructure.cs
index a5dd88e1..de80cbdd 100644
--- a/SysML2.NET/Core/AutoGenPoco/AssociationStructure.cs
+++ b/SysML2.NET/Core/AutoGenPoco/AssociationStructure.cs
@@ -58,6 +58,7 @@ public partial class AssociationStructure : IAssociationStructure
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -67,15 +68,17 @@ public partial class AssociationStructure : IAssociationStructure
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562477648742_24204_22901", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IAssociation.AssociationEnd")]
         public List<IFeature> QueryAssociationEnd()
         {
-            throw new NotImplementedException("Derived property AssociationEnd not yet supported");
+            return this.ComputeAssociationEnd();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -85,6 +88,7 @@ public List<IFeature> QueryAssociationEnd()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -97,9 +101,10 @@ public List<IFeature> QueryAssociationEnd()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -107,9 +112,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -118,9 +124,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -128,6 +135,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -136,9 +144,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IAssociation.AssociationEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -146,9 +155,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -157,9 +167,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -167,9 +178,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -177,9 +189,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -188,9 +201,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -198,9 +212,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -213,9 +228,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -223,15 +239,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -239,6 +257,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -249,15 +268,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -269,6 +290,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -276,9 +298,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -286,9 +309,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -298,9 +322,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -310,9 +335,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -320,9 +346,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -332,9 +359,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -343,9 +371,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -355,9 +384,10 @@ public IConjugation QueryOwnedConjugator()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -367,9 +397,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -377,9 +408,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -388,9 +420,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -398,9 +431,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -410,9 +444,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -422,9 +457,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -433,9 +469,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -444,9 +481,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -457,9 +495,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -467,6 +506,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -474,6 +514,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -483,9 +524,10 @@ public List<IMembership> QueryOwnedMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -494,9 +536,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -505,9 +548,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -515,9 +559,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -526,9 +571,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -537,9 +583,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -547,6 +594,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -554,6 +602,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -565,9 +614,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -576,9 +626,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IAssociation.RelatedType")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -587,9 +638,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_4339_43349", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IAssociation.RelatedType")]
         public List<IType> QueryRelatedType()
         {
-            throw new NotImplementedException("Derived property RelatedType not yet supported");
+            return this.ComputeRelatedType();
         }
 
         /// <summary>
@@ -599,9 +651,10 @@ public List<IType> QueryRelatedType()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -609,7 +662,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.SourceType")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IAssociation.SourceType")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedType for this Association. It is the first relatedType of the Association.
@@ -617,9 +672,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594939013292_377668_3566", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IAssociation.SourceType")]
         public IType QuerySourceType()
         {
-            throw new NotImplementedException("Derived property SourceType not yet supported");
+            return this.ComputeSourceType();
         }
 
         /// <summary>
@@ -627,7 +683,9 @@ public IType QuerySourceType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.TargetType")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IAssociation.TargetType")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedTypes for this Association. This includes all the relatedTypes other than the
@@ -636,9 +694,10 @@ public IType QuerySourceType()
         [Property(xmiId: "_19_0_2_12e503d9_1594939237325_861933_3707", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IAssociation.TargetType")]
         public List<IType> QueryTargetType()
         {
-            throw new NotImplementedException("Derived property TargetType not yet supported");
+            return this.ComputeTargetType();
         }
 
         /// <summary>
@@ -647,9 +706,10 @@ public List<IType> QueryTargetType()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -660,9 +720,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/AttributeDefinition.cs b/SysML2.NET/Core/AutoGenPoco/AttributeDefinition.cs
index 3c457cfa..0b1356e8 100644
--- a/SysML2.NET/Core/AutoGenPoco/AttributeDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/AttributeDefinition.cs
@@ -80,12 +80,14 @@ public partial class AttributeDefinition : IAttributeDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -95,6 +97,7 @@ public partial class AttributeDefinition : IAttributeDefinition
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -107,9 +110,10 @@ public partial class AttributeDefinition : IAttributeDefinition
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -117,9 +121,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -128,9 +133,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -139,9 +145,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -149,6 +156,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -156,9 +164,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -166,9 +175,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -177,9 +187,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -187,9 +198,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -197,9 +209,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -208,9 +221,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -218,9 +232,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -233,9 +248,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -243,15 +259,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -262,15 +280,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -282,6 +302,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -289,6 +310,7 @@ public bool QueryIsLibraryElement()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -296,9 +318,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -306,9 +329,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -318,9 +342,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -330,9 +355,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -340,9 +366,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -350,9 +377,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -360,9 +388,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -370,9 +399,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -382,9 +412,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -392,9 +423,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -402,9 +434,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -412,9 +445,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -422,9 +456,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -433,9 +468,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -445,9 +481,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -455,9 +492,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -467,9 +505,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -479,9 +518,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -489,9 +529,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -500,9 +541,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -510,9 +552,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -520,9 +563,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -532,9 +576,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -542,9 +587,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -554,9 +600,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -564,9 +611,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -575,9 +623,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -585,9 +634,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -596,9 +646,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -609,9 +660,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -619,9 +671,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -629,9 +682,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -639,9 +693,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -649,9 +704,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -659,9 +715,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -669,6 +726,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -676,9 +734,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -686,9 +745,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -698,9 +758,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -708,9 +769,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -719,9 +781,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -729,9 +792,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -740,9 +804,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -751,9 +816,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -761,9 +827,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -771,9 +838,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -781,9 +849,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -791,9 +860,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -801,9 +871,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -812,9 +883,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -823,9 +895,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -833,6 +906,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -844,9 +918,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -856,9 +931,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -867,9 +943,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -880,9 +957,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -890,9 +968,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -901,9 +980,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -913,9 +993,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/AttributeUsage.cs b/SysML2.NET/Core/AutoGenPoco/AttributeUsage.cs
index 456774b5..2dc199f6 100644
--- a/SysML2.NET/Core/AutoGenPoco/AttributeUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/AttributeUsage.cs
@@ -82,6 +82,7 @@ public partial class AttributeUsage : IAttributeUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -91,9 +92,10 @@ public partial class AttributeUsage : IAttributeUsage
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565471811429_523492_20975", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IAttributeUsage.AttributeDefinition")]
         public List<IDataType> QueryAttributeDefinition()
         {
-            throw new NotImplementedException("Derived property AttributeDefinition not yet supported");
+            return this.ComputeAttributeDefinition();
         }
 
         /// <summary>
@@ -105,9 +107,10 @@ public List<IDataType> QueryAttributeDefinition()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -117,15 +120,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -135,6 +140,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -145,9 +151,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IAttributeUsage.AttributeDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -160,9 +167,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -170,9 +178,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -181,9 +190,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -191,6 +201,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -199,9 +210,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -209,6 +221,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -216,9 +229,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -228,9 +242,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -238,9 +253,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -249,18 +265,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -270,9 +288,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -280,9 +299,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -290,9 +310,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -301,9 +322,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -311,9 +333,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -326,9 +349,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -336,6 +360,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -344,15 +369,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -360,12 +387,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -379,6 +408,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -389,21 +419,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -411,6 +444,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -418,9 +452,10 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624050661138_649455_27", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1624035114787_488767_41423")]
+        [Implements(implementation: "IAttributeUsage.IsReference")]
         bool IAttributeUsage.QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -428,9 +463,10 @@ bool IAttributeUsage.QueryIsReference()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IAttributeUsage.IsReference")]
+        [Implements(implementation: "IUsage.IsReference")]
         bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -442,12 +478,14 @@ bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -455,13 +493,16 @@ bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -474,9 +515,10 @@ bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -484,9 +526,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -494,9 +537,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -506,9 +550,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -518,9 +563,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -528,9 +574,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -538,9 +585,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -548,9 +596,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -558,9 +607,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -568,9 +618,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -578,9 +629,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -588,9 +640,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -600,9 +653,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -610,9 +664,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -620,9 +675,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -630,9 +686,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -650,9 +708,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -660,9 +719,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -670,9 +730,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -680,9 +741,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -690,9 +752,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -700,9 +763,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -710,9 +774,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -720,9 +785,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -730,9 +796,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -740,9 +807,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -751,9 +819,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -761,9 +830,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -771,9 +841,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -781,9 +852,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -791,9 +863,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -801,9 +874,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -813,9 +887,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -824,9 +899,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -835,9 +911,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -847,9 +924,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -859,9 +937,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -869,9 +948,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -880,9 +960,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -890,9 +971,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -902,9 +984,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -914,9 +997,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -926,9 +1010,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -938,9 +1023,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -949,9 +1035,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -960,9 +1047,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -973,9 +1061,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -984,9 +1073,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -995,9 +1085,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1005,6 +1096,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1014,9 +1106,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1026,9 +1119,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1038,9 +1132,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1050,9 +1145,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1061,9 +1157,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1071,9 +1168,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1082,9 +1180,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1092,9 +1191,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1103,9 +1203,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1114,9 +1215,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1124,6 +1226,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1133,9 +1236,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1143,9 +1247,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1157,9 +1262,10 @@ public IUsage QueryOwningUsage()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1169,9 +1275,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1180,9 +1287,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1193,9 +1301,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1206,9 +1315,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1216,9 +1326,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1227,9 +1338,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1238,9 +1350,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Behavior.cs b/SysML2.NET/Core/AutoGenPoco/Behavior.cs
index c15d8d33..07c5ebdf 100644
--- a/SysML2.NET/Core/AutoGenPoco/Behavior.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Behavior.cs
@@ -56,12 +56,14 @@ public partial class Behavior : IBehavior
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -71,6 +73,7 @@ public partial class Behavior : IBehavior
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -83,9 +86,10 @@ public partial class Behavior : IBehavior
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -94,9 +98,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -105,9 +110,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -115,6 +121,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -122,9 +129,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -132,9 +140,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -143,9 +152,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -153,9 +163,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -163,9 +174,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -174,9 +186,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -184,9 +197,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -199,9 +213,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -209,15 +224,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -228,15 +245,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -248,6 +267,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -255,9 +275,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -265,9 +286,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -277,9 +299,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -289,9 +312,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -299,9 +323,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -311,9 +336,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -322,9 +348,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -334,9 +361,10 @@ public IConjugation QueryOwnedConjugator()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -346,9 +374,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -356,9 +385,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -367,9 +397,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -377,9 +408,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -389,9 +421,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -401,9 +434,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -412,9 +446,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -423,9 +458,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -436,9 +472,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -446,6 +483,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -455,9 +493,10 @@ public List<IMembership> QueryOwnedMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -466,9 +505,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -477,9 +517,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -487,9 +528,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -498,9 +540,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -509,9 +552,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -519,6 +563,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -527,9 +572,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -541,9 +587,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -553,9 +600,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -563,9 +611,10 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -574,9 +623,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -587,9 +637,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/BindingConnector.cs b/SysML2.NET/Core/AutoGenPoco/BindingConnector.cs
index 251626c5..ef5d6875 100644
--- a/SysML2.NET/Core/AutoGenPoco/BindingConnector.cs
+++ b/SysML2.NET/Core/AutoGenPoco/BindingConnector.cs
@@ -56,6 +56,7 @@ public partial class BindingConnector : IBindingConnector
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -63,9 +64,10 @@ public partial class BindingConnector : IBindingConnector
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674983_471497_43284", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
+        [Implements(implementation: "IConnector.Association")]
         public List<IAssociation> QueryAssociation()
         {
-            throw new NotImplementedException("Derived property Association not yet supported");
+            return this.ComputeAssociation();
         }
 
         /// <summary>
@@ -77,9 +79,10 @@ public List<IAssociation> QueryAssociation()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -89,9 +92,10 @@ public List<IFeature> QueryChainingFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1556735067666_827798_21922", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IConnector.ConnectorEnd")]
         public List<IFeature> QueryConnectorEnd()
         {
-            throw new NotImplementedException("Derived property ConnectorEnd not yet supported");
+            return this.ComputeConnectorEnd();
         }
 
         /// <summary>
@@ -101,15 +105,17 @@ public List<IFeature> QueryConnectorEnd()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -119,6 +125,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -127,9 +134,10 @@ public IFeature QueryCrossFeature()
         /// checkConnectorTypeFeaturing constraint.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737751598145_444042_71", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IConnector.DefaultFeaturingType")]
         public IType QueryDefaultFeaturingType()
         {
-            throw new NotImplementedException("Derived property DefaultFeaturingType not yet supported");
+            return this.ComputeDefaultFeaturingType();
         }
 
         /// <summary>
@@ -142,9 +150,10 @@ public IType QueryDefaultFeaturingType()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -152,9 +161,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -162,6 +172,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -170,9 +181,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -180,6 +192,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -188,9 +201,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IConnector.ConnectorEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -200,9 +214,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -210,9 +225,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -221,18 +237,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -242,9 +260,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -252,9 +271,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -262,9 +282,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -273,9 +294,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -283,9 +305,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -298,9 +321,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -308,6 +332,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -316,15 +341,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -332,12 +359,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -351,6 +380,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -358,6 +388,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -368,21 +399,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -390,6 +424,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -401,12 +436,14 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -414,6 +451,7 @@ public bool QueryIsLibraryElement()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -421,9 +459,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -431,9 +470,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -443,9 +483,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -455,9 +496,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -465,9 +507,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -477,9 +520,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -488,9 +532,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -499,9 +544,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -511,9 +557,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -523,9 +570,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -533,9 +581,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -544,9 +593,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -554,9 +604,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -566,9 +617,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -578,9 +630,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -590,9 +643,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -602,9 +656,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -613,9 +668,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -624,9 +680,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -637,9 +694,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -648,9 +706,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -659,9 +718,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -669,6 +729,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -676,6 +737,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -685,9 +747,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -697,9 +760,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -709,9 +773,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -721,9 +786,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -732,9 +798,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -742,9 +809,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -752,9 +820,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -763,9 +832,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -774,9 +844,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -784,6 +855,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -791,6 +863,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -800,9 +873,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -814,9 +888,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -825,9 +900,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IConnector.RelatedFeature")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -836,9 +912,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_916334_43210", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IConnector.RelatedFeature")]
         public List<IFeature> QueryRelatedFeature()
         {
-            throw new NotImplementedException("Derived property RelatedFeature not yet supported");
+            return this.ComputeRelatedFeature();
         }
 
         /// <summary>
@@ -848,9 +925,10 @@ public List<IFeature> QueryRelatedFeature()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -858,7 +936,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.SourceFeature")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConnector.SourceFeature")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedFeature for this Connector. It is the first relatedFeature.
@@ -866,9 +946,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594953058873_558253_3897", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConnector.SourceFeature")]
         public IFeature QuerySourceFeature()
         {
-            throw new NotImplementedException("Derived property SourceFeature not yet supported");
+            return this.ComputeSourceFeature();
         }
 
         /// <summary>
@@ -876,7 +957,9 @@ public IFeature QuerySourceFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.TargetFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConnector.TargetFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedFeatures for this Connector. This includes all the relatedFeatures other than the
@@ -885,9 +968,10 @@ public IFeature QuerySourceFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594953128207_991867_3946", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IConnector.TargetFeature")]
         public List<IFeature> QueryTargetFeature()
         {
-            throw new NotImplementedException("Derived property TargetFeature not yet supported");
+            return this.ComputeTargetFeature();
         }
 
         /// <summary>
@@ -896,9 +980,10 @@ public List<IFeature> QueryTargetFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -909,9 +994,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IConnector.Association")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -922,9 +1008,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/BindingConnectorAsUsage.cs b/SysML2.NET/Core/AutoGenPoco/BindingConnectorAsUsage.cs
index 0ba89b4d..bb8b61aa 100644
--- a/SysML2.NET/Core/AutoGenPoco/BindingConnectorAsUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/BindingConnectorAsUsage.cs
@@ -78,6 +78,7 @@ public partial class BindingConnectorAsUsage : IBindingConnectorAsUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -85,9 +86,10 @@ public partial class BindingConnectorAsUsage : IBindingConnectorAsUsage
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674983_471497_43284", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
+        [Implements(implementation: "IConnector.Association")]
         public List<IAssociation> QueryAssociation()
         {
-            throw new NotImplementedException("Derived property Association not yet supported");
+            return this.ComputeAssociation();
         }
 
         /// <summary>
@@ -99,9 +101,10 @@ public List<IAssociation> QueryAssociation()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -111,9 +114,10 @@ public List<IFeature> QueryChainingFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1556735067666_827798_21922", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IConnector.ConnectorEnd")]
         public List<IFeature> QueryConnectorEnd()
         {
-            throw new NotImplementedException("Derived property ConnectorEnd not yet supported");
+            return this.ComputeConnectorEnd();
         }
 
         /// <summary>
@@ -123,15 +127,17 @@ public List<IFeature> QueryConnectorEnd()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -141,6 +147,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -149,9 +156,10 @@ public IFeature QueryCrossFeature()
         /// checkConnectorTypeFeaturing constraint.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737751598145_444042_71", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IConnector.DefaultFeaturingType")]
         public IType QueryDefaultFeaturingType()
         {
-            throw new NotImplementedException("Derived property DefaultFeaturingType not yet supported");
+            return this.ComputeDefaultFeaturingType();
         }
 
         /// <summary>
@@ -161,9 +169,10 @@ public IType QueryDefaultFeaturingType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -176,9 +185,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -186,9 +196,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -197,9 +208,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -207,6 +219,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -215,9 +228,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -225,6 +239,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -233,9 +248,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IConnector.ConnectorEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -245,9 +261,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -255,9 +272,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -266,18 +284,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -287,9 +307,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -297,9 +318,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -307,9 +329,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -318,9 +341,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -328,9 +352,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -343,9 +368,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -353,6 +379,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -361,15 +388,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -377,12 +406,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -396,6 +427,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -403,6 +435,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -413,21 +446,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -435,15 +471,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -455,12 +493,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -468,13 +508,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -487,9 +530,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -497,9 +541,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -507,9 +552,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -519,9 +565,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -531,9 +578,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -541,9 +589,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -551,9 +600,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -561,9 +611,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -571,9 +622,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -581,9 +633,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -591,9 +644,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -601,9 +655,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -613,9 +668,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -623,9 +679,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -633,9 +690,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -643,9 +701,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -653,9 +712,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -663,9 +723,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -673,9 +734,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -683,9 +745,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -693,9 +756,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -703,9 +767,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -713,9 +778,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -723,9 +789,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -733,9 +800,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -743,9 +811,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -753,9 +822,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -764,9 +834,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -774,9 +845,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -784,9 +856,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -794,9 +867,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -804,9 +878,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -814,9 +889,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -826,9 +902,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -837,9 +914,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -848,9 +926,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -860,9 +939,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -872,9 +952,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -882,9 +963,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -893,9 +975,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -903,9 +986,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -915,9 +999,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -927,9 +1012,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -939,9 +1025,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -951,9 +1038,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -962,9 +1050,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -973,9 +1062,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -986,9 +1076,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -997,9 +1088,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1008,9 +1100,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1018,6 +1111,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -1025,6 +1119,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1034,9 +1129,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1046,9 +1142,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1058,9 +1155,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1070,9 +1168,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1081,9 +1180,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1091,9 +1191,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1102,9 +1203,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1112,9 +1214,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1123,9 +1226,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1134,9 +1238,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1144,6 +1249,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -1151,6 +1257,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1160,9 +1267,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1170,9 +1278,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1184,9 +1293,10 @@ public IUsage QueryOwningUsage()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1195,9 +1305,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IConnector.RelatedFeature")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -1206,9 +1317,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_916334_43210", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IConnector.RelatedFeature")]
         public List<IFeature> QueryRelatedFeature()
         {
-            throw new NotImplementedException("Derived property RelatedFeature not yet supported");
+            return this.ComputeRelatedFeature();
         }
 
         /// <summary>
@@ -1218,9 +1330,10 @@ public List<IFeature> QueryRelatedFeature()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1228,7 +1341,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.SourceFeature")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConnector.SourceFeature")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedFeature for this Connector. It is the first relatedFeature.
@@ -1236,9 +1351,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594953058873_558253_3897", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConnector.SourceFeature")]
         public IFeature QuerySourceFeature()
         {
-            throw new NotImplementedException("Derived property SourceFeature not yet supported");
+            return this.ComputeSourceFeature();
         }
 
         /// <summary>
@@ -1246,7 +1362,9 @@ public IFeature QuerySourceFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.TargetFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConnector.TargetFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedFeatures for this Connector. This includes all the relatedFeatures other than the
@@ -1255,9 +1373,10 @@ public IFeature QuerySourceFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594953128207_991867_3946", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IConnector.TargetFeature")]
         public List<IFeature> QueryTargetFeature()
         {
-            throw new NotImplementedException("Derived property TargetFeature not yet supported");
+            return this.ComputeTargetFeature();
         }
 
         /// <summary>
@@ -1266,9 +1385,10 @@ public List<IFeature> QueryTargetFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1279,9 +1399,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IConnector.Association")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1292,9 +1413,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1302,9 +1424,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1313,9 +1436,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1324,9 +1448,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/BooleanExpression.cs b/SysML2.NET/Core/AutoGenPoco/BooleanExpression.cs
index 406cd416..0f6f3502 100644
--- a/SysML2.NET/Core/AutoGenPoco/BooleanExpression.cs
+++ b/SysML2.NET/Core/AutoGenPoco/BooleanExpression.cs
@@ -56,6 +56,7 @@ public partial class BooleanExpression : IBooleanExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -64,9 +65,10 @@ public partial class BooleanExpression : IBooleanExpression
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -78,9 +80,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -90,15 +93,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -108,6 +113,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -120,9 +126,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -131,9 +138,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -141,6 +149,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -149,9 +158,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -159,6 +169,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -166,9 +177,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -178,9 +190,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -188,9 +201,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -199,18 +213,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -220,9 +236,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -231,9 +248,10 @@ public List<IType> QueryFeaturingType()
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("IBooleanExpression.Predicate")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -241,9 +259,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -251,9 +270,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -262,9 +282,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -272,9 +293,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -287,9 +309,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -297,6 +320,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -305,15 +329,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -321,12 +347,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -340,6 +368,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -350,15 +379,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -366,15 +397,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -382,6 +415,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -393,12 +427,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -406,6 +442,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -413,9 +450,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -423,9 +461,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -435,9 +474,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -447,9 +487,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -457,9 +498,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -469,9 +511,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -480,9 +523,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -491,9 +535,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -503,9 +548,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -515,9 +561,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -525,9 +572,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -536,9 +584,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -546,9 +595,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -558,9 +608,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -570,9 +621,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -582,9 +634,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -594,9 +647,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -629,9 +685,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -651,9 +709,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -661,6 +720,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -670,9 +730,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -682,9 +743,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -694,9 +756,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -706,9 +769,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -717,9 +781,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -727,9 +792,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -737,9 +803,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -748,9 +815,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -759,9 +827,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -769,6 +838,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -778,9 +848,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -789,9 +860,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -799,9 +871,10 @@ public List<IFeature> QueryParameter()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578025035149_386_969", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543948477241_299049_20934")]
+        [Implements(implementation: "IBooleanExpression.Predicate")]
         public IPredicate QueryPredicate()
         {
-            throw new NotImplementedException("Derived property Predicate not yet supported");
+            return this.ComputePredicate();
         }
 
         /// <summary>
@@ -813,9 +886,10 @@ public IPredicate QueryPredicate()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -826,9 +900,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -838,9 +913,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -849,9 +925,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -861,9 +938,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -874,9 +952,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/CalculationDefinition.cs b/SysML2.NET/Core/AutoGenPoco/CalculationDefinition.cs
index bb48755c..e220c7d3 100644
--- a/SysML2.NET/Core/AutoGenPoco/CalculationDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/CalculationDefinition.cs
@@ -81,15 +81,17 @@ public partial class CalculationDefinition : ICalculationDefinition
         [Property(xmiId: "_18_5_3_12e503d9_1565500809065_170841_30688", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IActionDefinition.Action")]
         public List<IActionUsage> QueryAction()
         {
-            throw new NotImplementedException("Derived property Action not yet supported");
+            return this.ComputeAction();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -98,15 +100,17 @@ public List<IActionUsage> QueryAction()
         [Property(xmiId: "_19_0_2_12e503d9_1588214479224_101961_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565500809065_170841_30688")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948400639_301251_20841")]
+        [Implements(implementation: "ICalculationDefinition.Calculation")]
         public List<ICalculationUsage> QueryCalculation()
         {
-            throw new NotImplementedException("Derived property Calculation not yet supported");
+            return this.ComputeCalculation();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -116,6 +120,7 @@ public List<ICalculationUsage> QueryCalculation()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -128,9 +133,10 @@ public List<ICalculationUsage> QueryCalculation()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -139,9 +145,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -150,9 +157,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -161,9 +169,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -171,6 +180,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -178,9 +188,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -188,9 +199,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948400639_301251_20841", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
+        [Implements(implementation: "IFunction.Expression")]
         public List<IExpression> QueryExpression()
         {
-            throw new NotImplementedException("Derived property Expression not yet supported");
+            return this.ComputeExpression();
         }
 
         /// <summary>
@@ -198,9 +210,10 @@ public List<IExpression> QueryExpression()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -209,9 +222,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -219,9 +233,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -229,9 +244,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -240,9 +256,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -250,9 +267,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -265,9 +283,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -275,15 +294,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -294,21 +315,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -319,9 +343,10 @@ public bool QueryIsLibraryElement()
         /// model-level evaluable.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617395221463_139517_26381", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFunction.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
@@ -333,6 +358,7 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -340,6 +366,7 @@ public bool QueryIsModelLevelEvaluable()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -347,9 +374,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -357,9 +385,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -369,9 +398,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -381,9 +411,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -391,9 +422,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -401,9 +433,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -411,9 +444,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -421,9 +455,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -433,9 +468,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -443,9 +479,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -453,9 +490,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -463,9 +501,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -473,9 +512,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -484,9 +524,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -496,9 +537,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -506,9 +548,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -518,9 +561,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -530,9 +574,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -540,9 +585,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -551,9 +597,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -561,9 +608,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -571,9 +619,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -583,9 +632,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -593,9 +643,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -605,9 +656,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -615,9 +667,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -626,9 +679,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -636,9 +690,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -647,9 +702,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -660,9 +716,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -670,9 +727,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -680,9 +738,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -690,9 +749,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -700,9 +760,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -710,9 +771,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -720,6 +782,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -727,9 +790,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -737,9 +801,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -749,9 +814,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -759,9 +825,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -770,9 +837,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -780,9 +848,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -791,9 +860,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -802,9 +872,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -812,9 +883,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -822,9 +894,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -832,9 +905,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -842,9 +916,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -852,9 +927,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -863,9 +939,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -874,9 +951,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -884,6 +962,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -892,9 +971,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -906,9 +986,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -917,9 +998,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_18_5_3_12e503d9_1543948912268_88159_21323", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
+        [Implements(implementation: "IFunction.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -929,9 +1011,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -939,9 +1022,10 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -950,9 +1034,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -963,9 +1048,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -973,9 +1059,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -984,9 +1071,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -996,9 +1084,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/CalculationUsage.cs b/SysML2.NET/Core/AutoGenPoco/CalculationUsage.cs
index a7609e77..df0b567f 100644
--- a/SysML2.NET/Core/AutoGenPoco/CalculationUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/CalculationUsage.cs
@@ -88,15 +88,17 @@ public partial class CalculationUsage : ICalculationUsage
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
         [RedefinedByProperty("ICalculationUsage.CalculationDefinition")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -105,9 +107,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -118,9 +121,10 @@ public List<IBehavior> QueryBehavior()
         [Property(xmiId: "_19_0_2_12e503d9_1588213526305_899324_302", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543948477241_299049_20934")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1565500905804_589845_30779")]
+        [Implements(implementation: "ICalculationUsage.CalculationDefinition")]
         public IFunction QueryCalculationDefinition()
         {
-            throw new NotImplementedException("Derived property CalculationDefinition not yet supported");
+            return this.ComputeCalculationDefinition();
         }
 
         /// <summary>
@@ -132,9 +136,10 @@ public IFunction QueryCalculationDefinition()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -144,15 +149,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -162,6 +169,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -172,9 +180,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -187,9 +196,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -198,9 +208,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -209,9 +220,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -219,6 +231,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -227,9 +240,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -237,6 +251,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -244,9 +259,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -256,9 +272,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -266,9 +283,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -277,18 +295,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -298,9 +318,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -309,9 +330,10 @@ public List<IType> QueryFeaturingType()
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("ICalculationUsage.CalculationDefinition")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -319,9 +341,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -329,9 +352,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -339,9 +363,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -350,9 +375,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -360,9 +386,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -375,9 +402,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -385,6 +413,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -393,15 +422,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -409,12 +440,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -428,6 +461,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -438,6 +472,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -445,15 +480,17 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -461,15 +498,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -477,15 +516,17 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -497,12 +538,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -510,13 +553,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -529,9 +575,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -539,9 +586,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -549,9 +597,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -561,9 +610,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -573,9 +623,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -583,9 +634,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -593,9 +645,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -603,9 +656,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -613,9 +667,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -623,9 +678,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -633,9 +689,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -643,9 +700,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -655,9 +713,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -665,9 +724,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -675,9 +735,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -685,9 +746,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -695,9 +757,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -705,9 +768,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -715,9 +779,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -725,9 +790,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -735,9 +801,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -745,9 +812,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -755,9 +823,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -765,9 +834,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -775,9 +845,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -785,9 +856,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -795,9 +867,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -806,9 +879,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -816,9 +890,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -826,9 +901,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -836,9 +912,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -846,9 +923,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -859,9 +937,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -869,9 +948,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -881,9 +961,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -892,9 +973,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -903,9 +985,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -915,9 +998,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -927,9 +1011,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -937,9 +1022,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -948,9 +1034,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -958,9 +1045,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -970,9 +1058,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -982,9 +1071,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -994,9 +1084,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1006,9 +1097,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1017,9 +1109,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1028,9 +1121,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1041,9 +1135,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1052,9 +1147,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1063,9 +1159,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1073,6 +1170,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1082,9 +1180,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1094,9 +1193,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1106,9 +1206,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1118,9 +1219,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1129,9 +1231,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1139,9 +1242,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1150,9 +1254,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1160,9 +1265,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1171,9 +1277,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1182,9 +1289,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1192,6 +1300,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1201,9 +1310,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1211,9 +1321,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1222,9 +1333,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1233,6 +1345,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1244,9 +1357,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1257,9 +1371,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -1269,9 +1384,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1280,9 +1396,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1293,9 +1410,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1306,9 +1424,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1316,9 +1435,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1327,9 +1447,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1338,9 +1459,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/CaseDefinition.cs b/SysML2.NET/Core/AutoGenPoco/CaseDefinition.cs
index ef753146..66d947db 100644
--- a/SysML2.NET/Core/AutoGenPoco/CaseDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/CaseDefinition.cs
@@ -82,9 +82,10 @@ public partial class CaseDefinition : ICaseDefinition
         [Property(xmiId: "_18_5_3_12e503d9_1565500809065_170841_30688", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IActionDefinition.Action")]
         public List<IActionUsage> QueryAction()
         {
-            throw new NotImplementedException("Derived property Action not yet supported");
+            return this.ComputeAction();
         }
 
         /// <summary>
@@ -93,15 +94,17 @@ public List<IActionUsage> QueryAction()
         [Property(xmiId: "_19_0_4_12e503d9_1621464609772_382176_1612", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "ICaseDefinition.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -110,15 +113,17 @@ public List<IPartUsage> QueryActorParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1588214479224_101961_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565500809065_170841_30688")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948400639_301251_20841")]
+        [Implements(implementation: "ICalculationDefinition.Calculation")]
         public List<ICalculationUsage> QueryCalculation()
         {
-            throw new NotImplementedException("Derived property Calculation not yet supported");
+            return this.ComputeCalculation();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -128,6 +133,7 @@ public List<ICalculationUsage> QueryCalculation()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -140,9 +146,10 @@ public List<ICalculationUsage> QueryCalculation()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -151,9 +158,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -162,9 +170,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -173,9 +182,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -183,6 +193,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -190,9 +201,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -200,9 +212,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948400639_301251_20841", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
+        [Implements(implementation: "IFunction.Expression")]
         public List<IExpression> QueryExpression()
         {
-            throw new NotImplementedException("Derived property Expression not yet supported");
+            return this.ComputeExpression();
         }
 
         /// <summary>
@@ -210,9 +223,10 @@ public List<IExpression> QueryExpression()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -221,9 +235,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -231,9 +246,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -241,9 +257,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -252,9 +269,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -262,9 +280,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -277,9 +296,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -287,15 +307,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -306,21 +328,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -331,9 +356,10 @@ public bool QueryIsLibraryElement()
         /// model-level evaluable.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617395221463_139517_26381", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFunction.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
@@ -345,6 +371,7 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -352,6 +379,7 @@ public bool QueryIsModelLevelEvaluable()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -359,9 +387,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -369,9 +398,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -381,9 +411,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -393,9 +424,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -403,9 +435,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590259317710_27529_910", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "ICaseDefinition.ObjectiveRequirement")]
         public IRequirementUsage QueryObjectiveRequirement()
         {
-            throw new NotImplementedException("Derived property ObjectiveRequirement not yet supported");
+            return this.ComputeObjectiveRequirement();
         }
 
         /// <summary>
@@ -413,9 +446,10 @@ public IRequirementUsage QueryObjectiveRequirement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -423,9 +457,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -433,9 +468,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -443,9 +479,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -455,9 +492,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -465,9 +503,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -475,9 +514,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -485,9 +525,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -495,9 +536,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -506,9 +548,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -518,9 +561,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -528,9 +572,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -540,9 +585,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -552,9 +598,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -562,9 +609,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -573,9 +621,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -583,9 +632,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -593,9 +643,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -605,9 +656,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -615,9 +667,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -627,9 +680,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -637,9 +691,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -648,9 +703,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -658,9 +714,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -669,9 +726,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -682,9 +740,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -692,9 +751,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -702,9 +762,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -712,9 +773,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -722,9 +784,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -732,9 +795,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -742,6 +806,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -749,9 +814,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -759,9 +825,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -771,9 +838,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -781,9 +849,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -792,9 +861,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -802,9 +872,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -813,9 +884,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -824,9 +896,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -834,9 +907,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -844,9 +918,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -854,9 +929,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -864,9 +940,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -874,9 +951,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -885,9 +963,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -896,9 +975,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -906,6 +986,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -914,9 +995,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -928,9 +1010,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -939,9 +1022,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_18_5_3_12e503d9_1543948912268_88159_21323", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
+        [Implements(implementation: "IFunction.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -951,9 +1035,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -961,9 +1046,10 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -972,9 +1058,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1595189932946_106647_973", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "ICaseDefinition.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -983,9 +1070,10 @@ public IUsage QuerySubjectParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -996,9 +1084,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1006,9 +1095,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1017,9 +1107,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1029,9 +1120,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/CaseUsage.cs b/SysML2.NET/Core/AutoGenPoco/CaseUsage.cs
index 41a4153e..61dde613 100644
--- a/SysML2.NET/Core/AutoGenPoco/CaseUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/CaseUsage.cs
@@ -85,9 +85,10 @@ public partial class CaseUsage : ICaseUsage
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
         [RedefinedByProperty("ICalculationUsage.CalculationDefinition")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
@@ -96,15 +97,17 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_19_0_4_12e503d9_1621464633171_380461_1655", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "ICaseUsage.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -113,9 +116,10 @@ public List<IPartUsage> QueryActorParameter()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -127,9 +131,10 @@ public List<IBehavior> QueryBehavior()
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543948477241_299049_20934")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1565500905804_589845_30779")]
         [RedefinedByProperty("ICaseUsage.CaseDefinition")]
+        [Implements(implementation: "ICalculationUsage.CalculationDefinition")]
         public IFunction QueryCalculationDefinition()
         {
-            throw new NotImplementedException("Derived property CalculationDefinition not yet supported");
+            return this.ComputeCalculationDefinition();
         }
 
         /// <summary>
@@ -137,9 +142,10 @@ public IFunction QueryCalculationDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257465225_855208_512", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1588213526305_899324_302")]
+        [Implements(implementation: "ICaseUsage.CaseDefinition")]
         public ICaseDefinition QueryCaseDefinition()
         {
-            throw new NotImplementedException("Derived property CaseDefinition not yet supported");
+            return this.ComputeCaseDefinition();
         }
 
         /// <summary>
@@ -151,9 +157,10 @@ public ICaseDefinition QueryCaseDefinition()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -163,15 +170,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -181,6 +190,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -191,9 +201,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -206,9 +217,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -217,9 +229,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -228,9 +241,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -238,6 +252,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -246,9 +261,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -256,6 +272,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -263,9 +280,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -275,9 +293,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -285,9 +304,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -296,18 +316,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -317,9 +339,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -328,9 +351,10 @@ public List<IType> QueryFeaturingType()
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("ICalculationUsage.CalculationDefinition")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -338,9 +362,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -348,9 +373,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -358,9 +384,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -369,9 +396,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -379,9 +407,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -394,9 +423,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -404,6 +434,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -412,15 +443,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -428,12 +461,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -447,6 +482,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -457,6 +493,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -464,15 +501,17 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -480,15 +519,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -496,15 +537,17 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -516,12 +559,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -529,13 +574,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -548,9 +596,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -558,9 +607,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -568,9 +618,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -580,9 +631,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -592,9 +644,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -602,9 +655,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -612,9 +666,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -622,9 +677,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -632,9 +688,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -642,9 +699,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -652,9 +710,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -662,9 +721,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -674,9 +734,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -684,9 +745,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -694,9 +756,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -704,9 +767,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -714,9 +778,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -724,9 +789,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -734,9 +800,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -744,9 +811,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -754,9 +822,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -764,9 +833,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -774,9 +844,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -784,9 +855,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -794,9 +866,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -804,9 +877,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -814,9 +888,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -825,9 +900,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -835,9 +911,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -845,9 +922,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -855,9 +933,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -865,9 +944,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -875,9 +955,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591138794257_404044_2145", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "ICaseUsage.ObjectiveRequirement")]
         public IRequirementUsage QueryObjectiveRequirement()
         {
-            throw new NotImplementedException("Derived property ObjectiveRequirement not yet supported");
+            return this.ComputeObjectiveRequirement();
         }
 
         /// <summary>
@@ -888,9 +969,10 @@ public IRequirementUsage QueryObjectiveRequirement()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -898,9 +980,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -910,9 +993,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -921,9 +1005,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -932,9 +1017,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -944,9 +1030,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -956,9 +1043,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -966,9 +1054,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -977,9 +1066,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -987,9 +1077,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -999,9 +1090,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -1011,9 +1103,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1023,9 +1116,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1035,9 +1129,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1046,9 +1141,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1057,9 +1153,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1070,9 +1167,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1081,9 +1179,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1092,9 +1191,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1102,6 +1202,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1111,9 +1212,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1123,9 +1225,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1135,9 +1238,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1147,9 +1251,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1158,9 +1263,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1168,9 +1274,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1179,9 +1286,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1189,9 +1297,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1200,9 +1309,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1211,9 +1321,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1221,6 +1332,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1230,9 +1342,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1240,9 +1353,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1251,9 +1365,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1262,6 +1377,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1273,9 +1389,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1286,9 +1403,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -1298,9 +1416,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1309,9 +1428,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1595190279083_51021_1128", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "ICaseUsage.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -1320,9 +1440,10 @@ public IUsage QuerySubjectParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1333,9 +1454,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1346,9 +1468,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1356,9 +1479,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1367,9 +1491,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1378,9 +1503,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Class.cs b/SysML2.NET/Core/AutoGenPoco/Class.cs
index 5e54e426..a2d7703c 100644
--- a/SysML2.NET/Core/AutoGenPoco/Class.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Class.cs
@@ -56,12 +56,14 @@ public partial class Class : IClass
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -71,6 +73,7 @@ public partial class Class : IClass
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -83,9 +86,10 @@ public partial class Class : IClass
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -93,9 +97,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -104,9 +109,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -114,6 +120,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -121,9 +128,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -131,9 +139,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -142,9 +151,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -152,9 +162,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -162,9 +173,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -173,9 +185,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -183,9 +196,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -198,9 +212,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -208,15 +223,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -227,15 +244,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -247,6 +266,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -254,9 +274,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -264,9 +285,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -276,9 +298,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -288,9 +311,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -298,9 +322,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -310,9 +335,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -321,9 +347,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -333,9 +360,10 @@ public IConjugation QueryOwnedConjugator()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -345,9 +373,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -355,9 +384,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -366,9 +396,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -376,9 +407,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -388,9 +420,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -400,9 +433,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -411,9 +445,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -422,9 +457,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -435,9 +471,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -445,6 +482,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -454,9 +492,10 @@ public List<IMembership> QueryOwnedMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -465,9 +504,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -476,9 +516,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -486,9 +527,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -497,9 +539,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -508,9 +551,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -518,6 +562,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -529,9 +574,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -541,9 +587,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -552,9 +599,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -565,9 +613,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Classifier.cs b/SysML2.NET/Core/AutoGenPoco/Classifier.cs
index df223a3a..afb25f93 100644
--- a/SysML2.NET/Core/AutoGenPoco/Classifier.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Classifier.cs
@@ -58,12 +58,14 @@ public partial class Classifier : IClassifier
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -73,6 +75,7 @@ public partial class Classifier : IClassifier
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -85,9 +88,10 @@ public partial class Classifier : IClassifier
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -95,9 +99,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -106,9 +111,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -116,6 +122,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -123,9 +130,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -133,9 +141,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -144,9 +153,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -154,9 +164,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -164,9 +175,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -175,9 +187,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -185,9 +198,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -200,9 +214,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -210,15 +225,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -229,15 +246,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -249,6 +268,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -256,9 +276,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -266,9 +287,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -278,9 +300,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -290,9 +313,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -300,9 +324,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -312,9 +337,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -323,9 +349,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -335,9 +362,10 @@ public IConjugation QueryOwnedConjugator()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -347,9 +375,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -357,9 +386,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -368,9 +398,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -378,9 +409,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -390,9 +422,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -402,9 +435,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -413,9 +447,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -424,9 +459,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -437,9 +473,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -447,6 +484,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -456,9 +494,10 @@ public List<IMembership> QueryOwnedMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -467,9 +506,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -478,9 +518,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -488,9 +529,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -499,9 +541,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -510,9 +553,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -520,6 +564,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -531,9 +576,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -543,9 +589,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -554,9 +601,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -567,9 +615,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/CollectExpression.cs b/SysML2.NET/Core/AutoGenPoco/CollectExpression.cs
index c1b05431..0fbf05df 100644
--- a/SysML2.NET/Core/AutoGenPoco/CollectExpression.cs
+++ b/SysML2.NET/Core/AutoGenPoco/CollectExpression.cs
@@ -57,6 +57,7 @@ public partial class CollectExpression : ICollectExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -66,9 +67,10 @@ public partial class CollectExpression : ICollectExpression
         /// InstantiationExpression.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134437590_328753_108", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IInstantiationExpression.Argument")]
         public List<IExpression> QueryArgument()
         {
-            throw new NotImplementedException("Derived property Argument not yet supported");
+            return this.ComputeArgument();
         }
 
         /// <summary>
@@ -77,9 +79,10 @@ public List<IExpression> QueryArgument()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -91,9 +94,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -103,15 +107,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -121,6 +127,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -133,9 +140,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -144,9 +152,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -154,6 +163,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -162,9 +172,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -172,6 +183,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -179,9 +191,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -191,9 +204,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -201,9 +215,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -212,18 +227,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -233,9 +250,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -243,9 +261,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -253,9 +272,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -263,9 +283,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -274,9 +295,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -284,9 +306,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -294,9 +317,10 @@ public List<IFeature> QueryInput()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134352572_416088_80", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IInstantiationExpression.InstantiatedType")]
         public IType QueryInstantiatedType()
         {
-            throw new NotImplementedException("Derived property InstantiatedType not yet supported");
+            return this.ComputeInstantiatedType();
         }
 
         /// <summary>
@@ -309,9 +333,10 @@ public IType QueryInstantiatedType()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -319,6 +344,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -327,15 +353,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -343,12 +371,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -362,6 +392,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -372,15 +403,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -388,15 +421,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -404,6 +439,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -415,12 +451,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -428,6 +466,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -435,9 +474,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -445,9 +485,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -457,9 +498,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -469,15 +511,17 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1559596670531_992404_29068", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "collect")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1557528808100_646606_111674")]
+        [Implements(implementation: "ICollectExpression.Operator")]
         string ICollectExpression.Operator { get; set; }
 
         /// <summary>
@@ -485,16 +529,19 @@ public string QueryName()
         /// Kernel Function Library .
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1557528808100_646606_111674", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("ICollectExpression.Operator")] string IOperatorExpression.Operator { get; set; }
+        [RedefinedByProperty("ICollectExpression.Operator")]
+        [Implements(implementation: "IOperatorExpression.Operator")]
+        string IOperatorExpression.Operator { get; set; }
 
         /// <summary>
         /// All features related to this Type by FeatureMemberships that have direction out or inout.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -504,9 +551,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -515,9 +563,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -526,9 +575,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -538,9 +588,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -550,9 +601,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -560,9 +612,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -571,9 +624,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -581,9 +635,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -593,9 +648,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -605,9 +661,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -617,9 +674,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -629,9 +687,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -640,9 +699,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -651,9 +711,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -664,9 +725,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -675,9 +737,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -686,9 +749,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -696,6 +760,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -705,9 +770,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -717,9 +783,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -729,9 +796,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -741,9 +809,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -752,9 +821,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -762,9 +832,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -772,9 +843,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -783,9 +855,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -794,9 +867,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -804,6 +878,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -813,9 +888,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -824,9 +900,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -838,9 +915,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -851,9 +929,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -863,9 +942,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -874,9 +954,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -886,9 +967,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -899,9 +981,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Comment.cs b/SysML2.NET/Core/AutoGenPoco/Comment.cs
index f9237f64..f2a80163 100644
--- a/SysML2.NET/Core/AutoGenPoco/Comment.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Comment.cs
@@ -50,6 +50,7 @@ public partial class Comment : IComment
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -58,9 +59,10 @@ public partial class Comment : IComment
         /// AnnotatingElement.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594145755058_99428_86", aggregation: AggregationKind.None, lowerValue: 1, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IAnnotatingElement.AnnotatedElement")]
         public List<IElement> QueryAnnotatedElement()
         {
-            throw new NotImplementedException("Derived property AnnotatedElement not yet supported");
+            return this.ComputeAnnotatedElement();
         }
 
         /// <summary>
@@ -69,21 +71,24 @@ public List<IElement> QueryAnnotatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543094212714_953084_18407", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IAnnotatingElement.Annotation")]
         public List<IAnnotation> QueryAnnotation()
         {
-            throw new NotImplementedException("Derived property Annotation not yet supported");
+            return this.ComputeAnnotation();
         }
 
         /// <summary>
         /// The annotation text for the Comment.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674981_840045_43277", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IComment.Body")]
         public string Body { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -93,6 +98,7 @@ public List<IAnnotation> QueryAnnotation()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -101,9 +107,10 @@ public List<IAnnotation> QueryAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -111,6 +118,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -121,15 +129,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -138,6 +148,7 @@ public bool QueryIsLibraryElement()
         /// [language[_territory][.codeset][@modifier]].
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1647722682836_708148_649", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IComment.Locale")]
         public string Locale { get; set; }
 
         /// <summary>
@@ -147,9 +158,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -159,9 +171,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_4_12e503d9_1703019570915_375100_18", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IAnnotatingElement.OwnedAnnotatingRelationship")]
         public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotatingRelationship not yet supported");
+            return this.ComputeOwnedAnnotatingRelationship();
         }
 
         /// <summary>
@@ -171,9 +184,10 @@ public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -181,9 +195,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -191,6 +206,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -198,9 +214,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -209,9 +226,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_2022x_2_12e503d9_1735188506571_308678_376", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
+        [Implements(implementation: "IAnnotatingElement.OwningAnnotatingRelationship")]
         public IAnnotation QueryOwningAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwningAnnotatingRelationship not yet supported");
+            return this.ComputeOwningAnnotatingRelationship();
         }
 
         /// <summary>
@@ -220,9 +238,10 @@ public IAnnotation QueryOwningAnnotatingRelationship()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -231,9 +250,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -241,6 +261,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -252,9 +273,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -264,9 +286,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -275,9 +298,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ConcernDefinition.cs b/SysML2.NET/Core/AutoGenPoco/ConcernDefinition.cs
index 49a93116..141b067a 100644
--- a/SysML2.NET/Core/AutoGenPoco/ConcernDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ConcernDefinition.cs
@@ -81,15 +81,17 @@ public partial class ConcernDefinition : IConcernDefinition
         [Property(xmiId: "_19_0_4_12e503d9_1621564041941_652319_2722", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IRequirementDefinition.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -99,15 +101,17 @@ public List<IPartUsage> QueryActorParameter()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376806647_629021_133", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementDefinition.AssumedConstraint")]
         public List<IConstraintUsage> QueryAssumedConstraint()
         {
-            throw new NotImplementedException("Derived property AssumedConstraint not yet supported");
+            return this.ComputeAssumedConstraint();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -117,7 +121,9 @@ public List<IConstraintUsage> QueryAssumedConstraint()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IRequirementDefinition.ReqId")] public string DeclaredShortName { get; set; }
+        [RedefinedByProperty("IRequirementDefinition.ReqId")]
+        [Implements(implementation: "IElement.DeclaredShortName")]
+        public string DeclaredShortName { get; set; }
 
         /// <summary>
         /// The interpretations of a Type with differencingTypes are asserted to be those of the first of those
@@ -129,9 +135,10 @@ public List<IConstraintUsage> QueryAssumedConstraint()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -140,9 +147,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -151,9 +159,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -162,9 +171,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -172,6 +182,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -179,9 +190,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -189,9 +201,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948400639_301251_20841", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
+        [Implements(implementation: "IFunction.Expression")]
         public List<IExpression> QueryExpression()
         {
-            throw new NotImplementedException("Derived property Expression not yet supported");
+            return this.ComputeExpression();
         }
 
         /// <summary>
@@ -199,9 +212,10 @@ public List<IExpression> QueryExpression()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -210,9 +224,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -221,9 +236,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617116733499_587735_3242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583376932997_792124_158")]
+        [Implements(implementation: "IRequirementDefinition.FramedConcern")]
         public List<IConcernUsage> QueryFramedConcern()
         {
-            throw new NotImplementedException("Derived property FramedConcern not yet supported");
+            return this.ComputeFramedConcern();
         }
 
         /// <summary>
@@ -231,9 +247,10 @@ public List<IConcernUsage> QueryFramedConcern()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -241,9 +258,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -252,9 +270,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -262,9 +281,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -277,9 +297,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -287,15 +308,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -306,21 +329,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -331,9 +357,10 @@ public bool QueryIsLibraryElement()
         /// model-level evaluable.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617395221463_139517_26381", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFunction.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
@@ -345,6 +372,7 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -352,6 +380,7 @@ public bool QueryIsModelLevelEvaluable()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -359,9 +388,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -369,9 +399,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -381,9 +412,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -393,9 +425,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -403,9 +436,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -413,9 +447,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -423,9 +458,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -433,9 +469,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -445,9 +482,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -455,9 +493,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -465,9 +504,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -475,9 +515,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -485,9 +526,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -496,9 +538,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -508,9 +551,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -518,9 +562,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -530,9 +575,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -542,9 +588,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -552,9 +599,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -563,9 +611,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -573,9 +622,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -583,9 +633,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -595,9 +646,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -605,9 +657,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -617,9 +670,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -627,9 +681,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -638,9 +693,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -648,9 +704,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -659,9 +716,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -672,9 +730,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -682,9 +741,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -692,9 +752,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -702,9 +763,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -712,9 +774,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -722,9 +785,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -732,6 +796,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -739,9 +804,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -749,9 +815,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -761,9 +828,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -771,9 +839,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -782,9 +851,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -792,9 +862,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -803,9 +874,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -814,9 +886,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -824,9 +897,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -834,9 +908,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -844,9 +919,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -854,9 +930,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -864,9 +941,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -875,9 +953,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -886,9 +965,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -896,6 +976,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -904,9 +985,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -918,9 +1000,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -930,6 +1013,7 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376411386_270321_92", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1594160442439_915308_4153")]
+        [Implements(implementation: "IRequirementDefinition.ReqId")]
         public string ReqId { get; set; }
 
         /// <summary>
@@ -939,9 +1023,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376932997_792124_158", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementDefinition.RequiredConstraint")]
         public List<IConstraintUsage> QueryRequiredConstraint()
         {
-            throw new NotImplementedException("Derived property RequiredConstraint not yet supported");
+            return this.ComputeRequiredConstraint();
         }
 
         /// <summary>
@@ -950,9 +1035,10 @@ public List<IConstraintUsage> QueryRequiredConstraint()
         [Property(xmiId: "_18_5_3_12e503d9_1543948912268_88159_21323", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
+        [Implements(implementation: "IFunction.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -962,9 +1048,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -973,9 +1060,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_4_12e503d9_1624033010374_29375_40166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IRequirementDefinition.StakeholderParameter")]
         public List<IPartUsage> QueryStakeholderParameter()
         {
-            throw new NotImplementedException("Derived property StakeholderParameter not yet supported");
+            return this.ComputeStakeholderParameter();
         }
 
         /// <summary>
@@ -983,9 +1071,10 @@ public List<IPartUsage> QueryStakeholderParameter()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -994,9 +1083,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1595189007408_784255_586", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IRequirementDefinition.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -1004,9 +1094,10 @@ public IUsage QuerySubjectParameter()
         /// from the bodies of the documentation of the RequirementDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376433122_189839_94", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IRequirementDefinition.Text")]
         public List<string> QueryText()
         {
-            throw new NotImplementedException("Derived property Text not yet supported");
+            return this.ComputeText();
         }
 
         /// <summary>
@@ -1015,9 +1106,10 @@ public List<string> QueryText()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1028,9 +1120,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1038,9 +1131,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1049,9 +1143,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1061,9 +1156,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ConcernUsage.cs b/SysML2.NET/Core/AutoGenPoco/ConcernUsage.cs
index 07788529..addb291b 100644
--- a/SysML2.NET/Core/AutoGenPoco/ConcernUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ConcernUsage.cs
@@ -85,15 +85,17 @@ public partial class ConcernUsage : IConcernUsage
         [Property(xmiId: "_19_0_4_12e503d9_1621564075474_350859_2735", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IRequirementUsage.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -103,9 +105,10 @@ public List<IPartUsage> QueryActorParameter()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583377612865_991722_535", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementUsage.AssumedConstraint")]
         public List<IConstraintUsage> QueryAssumedConstraint()
         {
-            throw new NotImplementedException("Derived property AssumedConstraint not yet supported");
+            return this.ComputeAssumedConstraint();
         }
 
         /// <summary>
@@ -114,9 +117,10 @@ public List<IConstraintUsage> QueryAssumedConstraint()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -128,9 +132,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -138,9 +143,10 @@ public List<IFeature> QueryChainingFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617052514912_780627_2256", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1583000408905_769743_1223")]
+        [Implements(implementation: "IConcernUsage.ConcernDefinition")]
         public IConcernDefinition QueryConcernDefinition()
         {
-            throw new NotImplementedException("Derived property ConcernDefinition not yet supported");
+            return this.ComputeConcernDefinition();
         }
 
         /// <summary>
@@ -151,9 +157,10 @@ public IConcernDefinition QueryConcernDefinition()
         [Property(xmiId: "_19_0_2_12e503d9_1578067546711_751168_1745", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1578025035149_386_969")]
         [RedefinedByProperty("IRequirementUsage.RequirementDefinition")]
+        [Implements(implementation: "IConstraintUsage.ConstraintDefinition")]
         public IPredicate QueryConstraintDefinition()
         {
-            throw new NotImplementedException("Derived property ConstraintDefinition not yet supported");
+            return this.ComputeConstraintDefinition();
         }
 
         /// <summary>
@@ -163,15 +170,17 @@ public IPredicate QueryConstraintDefinition()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -181,7 +190,9 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IRequirementUsage.ReqId")] public string DeclaredShortName { get; set; }
+        [RedefinedByProperty("IRequirementUsage.ReqId")]
+        [Implements(implementation: "IElement.DeclaredShortName")]
+        public string DeclaredShortName { get; set; }
 
         /// <summary>
         /// The Classifiers that are the types of this Usage. Nominally, these are Definitions, but other kinds
@@ -191,9 +202,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -206,9 +218,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -217,9 +230,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -228,9 +242,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -238,6 +253,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -246,9 +262,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -256,6 +273,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -263,9 +281,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -275,9 +294,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -285,9 +305,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -296,18 +317,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -317,9 +340,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -328,9 +352,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617116922864_514612_3264", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583377448339_252740_390")]
+        [Implements(implementation: "IRequirementUsage.FramedConcern")]
         public List<IConcernUsage> QueryFramedConcern()
         {
-            throw new NotImplementedException("Derived property FramedConcern not yet supported");
+            return this.ComputeFramedConcern();
         }
 
         /// <summary>
@@ -339,9 +364,10 @@ public List<IConcernUsage> QueryFramedConcern()
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("IBooleanExpression.Predicate")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -349,9 +375,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -359,9 +386,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -369,9 +397,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -380,9 +409,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -390,9 +420,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -405,9 +436,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -415,6 +447,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -423,15 +456,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -439,12 +474,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -458,6 +495,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -468,6 +506,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -475,15 +514,17 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -491,15 +532,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -507,15 +550,17 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -527,12 +572,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -540,13 +587,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -559,9 +609,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -569,9 +620,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -579,9 +631,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -591,9 +644,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -603,9 +657,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -613,9 +668,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -623,9 +679,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -633,9 +690,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -643,9 +701,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -653,9 +712,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -663,9 +723,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -673,9 +734,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -685,9 +747,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -695,9 +758,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -705,9 +769,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -715,9 +780,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -725,9 +791,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -735,9 +802,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -745,9 +813,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -755,9 +824,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -765,9 +835,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -775,9 +846,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -785,9 +857,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -795,9 +868,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -805,9 +879,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -815,9 +890,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -825,9 +901,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -836,9 +913,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -846,9 +924,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -856,9 +935,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -866,9 +946,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -876,9 +957,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -888,9 +970,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -898,9 +981,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -910,9 +994,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -921,9 +1006,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -932,9 +1018,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -944,9 +1031,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -956,9 +1044,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -966,9 +1055,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -977,9 +1067,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -987,9 +1078,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -999,9 +1091,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -1011,9 +1104,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1023,9 +1117,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1035,9 +1130,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1046,9 +1142,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1057,9 +1154,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1070,9 +1168,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1081,9 +1180,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1092,9 +1192,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1102,6 +1203,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1111,9 +1213,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1123,9 +1226,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1135,9 +1239,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1147,9 +1252,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1158,9 +1264,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1168,9 +1275,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1179,9 +1287,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1189,9 +1298,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1200,9 +1310,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1211,9 +1322,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1221,6 +1333,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1230,9 +1343,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1240,9 +1354,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1251,9 +1366,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1262,6 +1378,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1270,9 +1387,10 @@ public List<IFeature> QueryParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1578025035149_386_969", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543948477241_299049_20934")]
         [RedefinedByProperty("IConstraintUsage.ConstraintDefinition")]
+        [Implements(implementation: "IBooleanExpression.Predicate")]
         public IPredicate QueryPredicate()
         {
-            throw new NotImplementedException("Derived property Predicate not yet supported");
+            return this.ComputePredicate();
         }
 
         /// <summary>
@@ -1284,9 +1402,10 @@ public IPredicate QueryPredicate()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1296,6 +1415,7 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376474630_975784_96", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1594160442439_915308_4153")]
+        [Implements(implementation: "IRequirementUsage.ReqId")]
         public string ReqId { get; set; }
 
         /// <summary>
@@ -1305,9 +1425,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583377448339_252740_390", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementUsage.RequiredConstraint")]
         public List<IConstraintUsage> QueryRequiredConstraint()
         {
-            throw new NotImplementedException("Derived property RequiredConstraint not yet supported");
+            return this.ComputeRequiredConstraint();
         }
 
         /// <summary>
@@ -1316,9 +1437,10 @@ public List<IConstraintUsage> QueryRequiredConstraint()
         [Property(xmiId: "_19_0_2_12e503d9_1583000408905_769743_1223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1578067546711_751168_1745")]
         [RedefinedByProperty("IConcernUsage.ConcernDefinition")]
+        [Implements(implementation: "IRequirementUsage.RequirementDefinition")]
         public IRequirementDefinition QueryRequirementDefinition()
         {
-            throw new NotImplementedException("Derived property RequirementDefinition not yet supported");
+            return this.ComputeRequirementDefinition();
         }
 
         /// <summary>
@@ -1329,9 +1451,10 @@ public IRequirementDefinition QueryRequirementDefinition()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -1341,9 +1464,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1352,9 +1476,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_4_12e503d9_1624032823963_328647_40107", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IRequirementUsage.StakeholderParameter")]
         public List<IPartUsage> QueryStakeholderParameter()
         {
-            throw new NotImplementedException("Derived property StakeholderParameter not yet supported");
+            return this.ComputeStakeholderParameter();
         }
 
         /// <summary>
@@ -1363,9 +1488,10 @@ public List<IPartUsage> QueryStakeholderParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1595189397261_941898_844", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IRequirementUsage.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -1373,9 +1499,10 @@ public IUsage QuerySubjectParameter()
         /// the bodies of the documentation of the RequirementUsage.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376480942_745679_99", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IRequirementUsage.Text")]
         public List<string> QueryText()
         {
-            throw new NotImplementedException("Derived property Text not yet supported");
+            return this.ComputeText();
         }
 
         /// <summary>
@@ -1384,9 +1511,10 @@ public List<string> QueryText()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1397,9 +1525,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1410,9 +1539,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1420,9 +1550,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1431,9 +1562,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1442,9 +1574,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ConjugatedPortDefinition.cs b/SysML2.NET/Core/AutoGenPoco/ConjugatedPortDefinition.cs
index 43462df6..afc116e9 100644
--- a/SysML2.NET/Core/AutoGenPoco/ConjugatedPortDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ConjugatedPortDefinition.cs
@@ -81,6 +81,7 @@ public partial class ConjugatedPortDefinition : IConjugatedPortDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -88,15 +89,17 @@ public partial class ConjugatedPortDefinition : IConjugatedPortDefinition
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575484364015_206236_989", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IPortDefinition.ConjugatedPortDefinition")]
         public IConjugatedPortDefinition QueryConjugatedPortDefinition()
         {
-            throw new NotImplementedException("Derived property ConjugatedPortDefinition not yet supported");
+            return this.ComputeConjugatedPortDefinition();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -106,6 +109,7 @@ public IConjugatedPortDefinition QueryConjugatedPortDefinition()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -118,9 +122,10 @@ public IConjugatedPortDefinition QueryConjugatedPortDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -128,9 +133,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -139,9 +145,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -150,9 +157,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -160,6 +168,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -167,9 +176,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -177,9 +187,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -188,9 +199,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -198,9 +210,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -208,9 +221,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -219,9 +233,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -229,9 +244,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -244,9 +260,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -254,15 +271,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -273,21 +292,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -299,6 +321,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -306,6 +329,7 @@ public bool QueryIsLibraryElement()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -313,9 +337,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -323,9 +348,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -335,9 +361,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -347,9 +374,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -358,9 +386,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575484364017_387810_990", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
+        [Implements(implementation: "IConjugatedPortDefinition.OriginalPortDefinition")]
         public IPortDefinition QueryOriginalPortDefinition()
         {
-            throw new NotImplementedException("Derived property OriginalPortDefinition not yet supported");
+            return this.ComputeOriginalPortDefinition();
         }
 
         /// <summary>
@@ -368,9 +397,10 @@ public IPortDefinition QueryOriginalPortDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -378,9 +408,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -388,9 +419,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -398,9 +430,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -410,9 +443,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -420,9 +454,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -430,9 +465,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -440,9 +476,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -450,9 +487,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -462,9 +500,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [RedefinedByProperty("IConjugatedPortDefinition.OwnedPortConjugator")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -474,9 +513,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -484,9 +524,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -496,9 +537,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -508,9 +550,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -518,9 +561,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -529,9 +573,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -539,9 +584,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -549,9 +595,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -561,9 +608,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -571,9 +619,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -583,9 +632,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -593,9 +643,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -604,9 +655,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -614,9 +666,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -625,9 +678,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -638,9 +692,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -648,9 +703,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -658,9 +714,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -668,9 +725,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -678,9 +736,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -689,9 +748,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575484344901_850046_947", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1575482646809_280165_440")]
+        [Implements(implementation: "IConjugatedPortDefinition.OwnedPortConjugator")]
         public IPortConjugation QueryOwnedPortConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedPortConjugator not yet supported");
+            return this.ComputeOwnedPortConjugator();
         }
 
         /// <summary>
@@ -699,9 +759,10 @@ public IPortConjugation QueryOwnedPortConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -709,6 +770,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -716,9 +778,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -726,9 +789,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -738,9 +802,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -748,9 +813,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -759,9 +825,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -769,9 +836,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -780,9 +848,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -791,9 +860,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -801,9 +871,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -811,9 +882,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -821,9 +893,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -831,9 +904,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -841,9 +915,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -852,9 +927,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -864,9 +940,10 @@ public IOwningMembership QueryOwningMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
         [RedefinedByProperty("IConjugatedPortDefinition.OriginalPortDefinition")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -874,6 +951,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -885,9 +963,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -897,9 +976,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -908,9 +988,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -921,9 +1002,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -931,9 +1013,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -942,9 +1025,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -954,9 +1038,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ConjugatedPortTyping.cs b/SysML2.NET/Core/AutoGenPoco/ConjugatedPortTyping.cs
index ddfc268a..f6e693e9 100644
--- a/SysML2.NET/Core/AutoGenPoco/ConjugatedPortTyping.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ConjugatedPortTyping.cs
@@ -55,6 +55,7 @@ public partial class ConjugatedPortTyping : IConjugatedPortTyping
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -63,12 +64,14 @@ public partial class ConjugatedPortTyping : IConjugatedPortTyping
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1577915017970_186033_146", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543180520185_480887_21131")]
+        [Implements(implementation: "IConjugatedPortTyping.ConjugatedPortDefinition")]
         public IConjugatedPortDefinition ConjugatedPortDefinition { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -78,6 +81,7 @@ public partial class ConjugatedPortTyping : IConjugatedPortTyping
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -86,9 +90,10 @@ public partial class ConjugatedPortTyping : IConjugatedPortTyping
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -96,6 +101,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -103,13 +109,16 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674980_563969_43273", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IFeatureTyping.Type")] public IType General { get; set; }
+        [RedefinedByProperty("IFeatureTyping.Type")]
+        [Implements(implementation: "ISpecialization.General")]
+        public IType General { get; set; }
 
         /// <summary>
         /// Whether this Relationship was generated by tooling to meet semantic rules, rather than being
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -120,15 +129,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -138,9 +149,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -150,9 +162,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -160,9 +173,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -170,6 +184,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -177,6 +192,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -184,9 +200,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -195,9 +212,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427753_801746_43", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_13273_21101")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_573157_43226")]
+        [Implements(implementation: "IFeatureTyping.OwningFeature")]
         public IFeature QueryOwningFeature()
         {
-            throw new NotImplementedException("Derived property OwningFeature not yet supported");
+            return this.ComputeOwningFeature();
         }
 
         /// <summary>
@@ -206,9 +224,10 @@ public IFeature QueryOwningFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -217,9 +236,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -227,6 +247,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -234,6 +255,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -243,18 +265,20 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
         [RedefinedByProperty("IFeatureTyping.OwningFeature")]
+        [Implements(implementation: "ISpecialization.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
         /// The originalPortDefinition of the conjugatedPortDefinition of this ConjugatedPortTyping.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1577915013583_787601_133", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IConjugatedPortTyping.PortDefinition")]
         public IPortDefinition QueryPortDefinition()
         {
-            throw new NotImplementedException("Derived property PortDefinition not yet supported");
+            return this.ComputePortDefinition();
         }
 
         /// <summary>
@@ -266,9 +290,10 @@ public IPortDefinition QueryPortDefinition()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -276,9 +301,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -288,9 +314,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -298,21 +325,27 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.Specific")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("ISpecialization.Specific")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// A Type with a subset of all instances of the general Type, which might be the same set.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674982_253967_43281", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
-        [RedefinedByProperty("IFeatureTyping.TypedFeature")] public IType Specific { get; set; }
+        [RedefinedByProperty("IFeatureTyping.TypedFeature")]
+        [Implements(implementation: "ISpecialization.Specific")]
+        public IType Specific { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.General")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("ISpecialization.General")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -320,9 +353,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -330,13 +364,16 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543180520185_480887_21131", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_563969_43273")]
-        [RedefinedByProperty("IConjugatedPortTyping.ConjugatedPortDefinition")] public IType Type { get; set; }
+        [RedefinedByProperty("IConjugatedPortTyping.ConjugatedPortDefinition")]
+        [Implements(implementation: "IFeatureTyping.Type")]
+        public IType Type { get; set; }
 
         /// <summary>
         /// The Feature that has a type determined by this FeatureTyping.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543180501615_13273_21101", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
+        [Implements(implementation: "IFeatureTyping.TypedFeature")]
         public IFeature TypedFeature { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Conjugation.cs b/SysML2.NET/Core/AutoGenPoco/Conjugation.cs
index c116ff3a..331267a3 100644
--- a/SysML2.NET/Core/AutoGenPoco/Conjugation.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Conjugation.cs
@@ -58,6 +58,7 @@ public partial class Conjugation : IConjugation
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -65,12 +66,14 @@ public partial class Conjugation : IConjugation
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575482490143_721644_299", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConjugation.ConjugatedType")]
         public IType ConjugatedType { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -80,6 +83,7 @@ public partial class Conjugation : IConjugation
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -88,9 +92,10 @@ public partial class Conjugation : IConjugation
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -98,6 +103,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -105,6 +111,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -115,15 +122,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -133,9 +142,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -143,6 +153,7 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575482354187_108424_237", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IConjugation.OriginalType")]
         public IType OriginalType { get; set; }
 
         /// <summary>
@@ -152,9 +163,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -162,9 +174,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -172,6 +185,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -179,6 +193,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -186,9 +201,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -197,9 +213,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -208,9 +225,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -218,6 +236,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -225,6 +244,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -233,9 +253,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_778895_441", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490143_721644_299")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
+        [Implements(implementation: "IConjugation.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -247,9 +268,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -257,9 +279,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -269,9 +292,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -279,14 +303,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConjugation.ConjugatedType")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConjugation.ConjugatedType")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConjugation.OriginalType")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConjugation.OriginalType")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -294,9 +322,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ConnectionDefinition.cs b/SysML2.NET/Core/AutoGenPoco/ConnectionDefinition.cs
index d5ecfde1..bc39de4c 100644
--- a/SysML2.NET/Core/AutoGenPoco/ConnectionDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ConnectionDefinition.cs
@@ -77,6 +77,7 @@ public partial class ConnectionDefinition : IConnectionDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -87,9 +88,10 @@ public partial class ConnectionDefinition : IConnectionDefinition
         [Property(xmiId: "_18_5_3_12e503d9_1562477648742_24204_22901", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [RedefinedByProperty("IConnectionDefinition.ConnectionEnd")]
+        [Implements(implementation: "IAssociation.AssociationEnd")]
         public List<IFeature> QueryAssociationEnd()
         {
-            throw new NotImplementedException("Derived property AssociationEnd not yet supported");
+            return this.ComputeAssociationEnd();
         }
 
         /// <summary>
@@ -97,15 +99,17 @@ public List<IFeature> QueryAssociationEnd()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591476421094_685440_682", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562477648742_24204_22901")]
+        [Implements(implementation: "IConnectionDefinition.ConnectionEnd")]
         public List<IUsage> QueryConnectionEnd()
         {
-            throw new NotImplementedException("Derived property ConnectionEnd not yet supported");
+            return this.ComputeConnectionEnd();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -115,6 +119,7 @@ public List<IUsage> QueryConnectionEnd()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -127,9 +132,10 @@ public List<IUsage> QueryConnectionEnd()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -137,9 +143,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -148,9 +155,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -159,9 +167,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -169,6 +178,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -177,9 +187,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IAssociation.AssociationEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -187,9 +198,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -198,9 +210,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -208,9 +221,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -218,9 +232,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -229,9 +244,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -239,9 +255,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -254,9 +271,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -264,15 +282,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -280,6 +300,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -290,21 +311,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -312,6 +336,7 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1734734871008_462076_156", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1564072709069_937523_30797")]
+        [Implements(implementation: "IConnectionDefinition.IsSufficient")]
         bool IConnectionDefinition.IsSufficient { get; set; }
 
         /// <summary>
@@ -323,13 +348,16 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IConnectionDefinition.IsSufficient")] bool Core.Types.IType.IsSufficient { get; set; }
+        [RedefinedByProperty("IConnectionDefinition.IsSufficient")]
+        [Implements(implementation: "IType.IsSufficient")]
+        bool Core.Types.IType.IsSufficient { get; set; }
 
         /// <summary>
         /// Whether this Definition is for a variation point or not. If true, then all the memberships of the
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -337,9 +365,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -347,9 +376,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -359,9 +389,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -371,9 +402,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -381,9 +413,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -391,9 +424,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -401,9 +435,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -411,9 +446,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -423,9 +459,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -433,9 +470,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -443,9 +481,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -453,9 +492,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -463,9 +503,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -474,9 +515,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -486,9 +528,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -496,9 +539,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -508,9 +552,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -520,9 +565,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -530,9 +576,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -541,9 +588,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -551,9 +599,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -561,9 +610,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -573,9 +623,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -583,9 +634,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -595,9 +647,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -605,9 +658,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -616,9 +670,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -626,9 +681,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -637,9 +693,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -650,9 +707,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -660,9 +718,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -670,9 +729,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -680,9 +740,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -690,9 +751,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -700,9 +762,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -710,6 +773,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -717,6 +781,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -724,9 +789,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -734,9 +800,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -746,9 +813,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -756,9 +824,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -767,9 +836,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -777,9 +847,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -788,9 +859,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -799,9 +871,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -809,9 +882,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -819,9 +893,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -829,9 +904,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -839,9 +915,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -849,9 +926,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -860,9 +938,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -871,9 +950,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -881,6 +961,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -888,6 +969,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -899,9 +981,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -910,9 +993,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IAssociation.RelatedType")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -921,9 +1005,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_4339_43349", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IAssociation.RelatedType")]
         public List<IType> QueryRelatedType()
         {
-            throw new NotImplementedException("Derived property RelatedType not yet supported");
+            return this.ComputeRelatedType();
         }
 
         /// <summary>
@@ -933,9 +1018,10 @@ public List<IType> QueryRelatedType()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -943,7 +1029,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.SourceType")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IAssociation.SourceType")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedType for this Association. It is the first relatedType of the Association.
@@ -951,9 +1039,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594939013292_377668_3566", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IAssociation.SourceType")]
         public IType QuerySourceType()
         {
-            throw new NotImplementedException("Derived property SourceType not yet supported");
+            return this.ComputeSourceType();
         }
 
         /// <summary>
@@ -961,7 +1050,9 @@ public IType QuerySourceType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.TargetType")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IAssociation.TargetType")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedTypes for this Association. This includes all the relatedTypes other than the
@@ -970,9 +1061,10 @@ public IType QuerySourceType()
         [Property(xmiId: "_19_0_2_12e503d9_1594939237325_861933_3707", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IAssociation.TargetType")]
         public List<IType> QueryTargetType()
         {
-            throw new NotImplementedException("Derived property TargetType not yet supported");
+            return this.ComputeTargetType();
         }
 
         /// <summary>
@@ -981,9 +1073,10 @@ public List<IType> QueryTargetType()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -994,9 +1087,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1004,9 +1098,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1015,9 +1110,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1027,9 +1123,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ConnectionUsage.cs b/SysML2.NET/Core/AutoGenPoco/ConnectionUsage.cs
index 8a774960..3da58f7b 100644
--- a/SysML2.NET/Core/AutoGenPoco/ConnectionUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ConnectionUsage.cs
@@ -35,6 +35,7 @@ namespace SysML2.NET.Core.POCO.Systems.Connections
     using SysML2.NET.Core.POCO.Core.Types;
     using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Kernel.Classes;
+    using SysML2.NET.Core.POCO.Kernel.Connectors;
     using SysML2.NET.Core.POCO.Kernel.Structures;
     using SysML2.NET.Core.POCO.Root.Annotations;
     using SysML2.NET.Core.POCO.Root.Elements;
@@ -83,6 +84,7 @@ public partial class ConnectionUsage : IConnectionUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -91,9 +93,10 @@ public partial class ConnectionUsage : IConnectionUsage
         [Property(xmiId: "_18_5_3_12e503d9_1533160674983_471497_43284", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IConnectionUsage.ConnectionDefinition")]
+        [Implements(implementation: "IConnector.Association")]
         public List<IAssociation> QueryAssociation()
         {
-            throw new NotImplementedException("Derived property Association not yet supported");
+            return this.ComputeAssociation();
         }
 
         /// <summary>
@@ -105,9 +108,10 @@ public List<IAssociation> QueryAssociation()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -118,9 +122,10 @@ public List<IFeature> QueryChainingFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594853499656_139435_802", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565471361757_649736_20796")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674983_471497_43284")]
+        [Implements(implementation: "IConnectionUsage.ConnectionDefinition")]
         public List<IAssociationStructure> QueryConnectionDefinition()
         {
-            throw new NotImplementedException("Derived property ConnectionDefinition not yet supported");
+            return this.ComputeConnectionDefinition();
         }
 
         /// <summary>
@@ -130,9 +135,10 @@ public List<IAssociationStructure> QueryConnectionDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1556735067666_827798_21922", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IConnector.ConnectorEnd")]
         public List<IFeature> QueryConnectorEnd()
         {
-            throw new NotImplementedException("Derived property ConnectorEnd not yet supported");
+            return this.ComputeConnectorEnd();
         }
 
         /// <summary>
@@ -142,15 +148,17 @@ public List<IFeature> QueryConnectorEnd()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -160,6 +168,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -168,9 +177,10 @@ public IFeature QueryCrossFeature()
         /// checkConnectorTypeFeaturing constraint.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737751598145_444042_71", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IConnector.DefaultFeaturingType")]
         public IType QueryDefaultFeaturingType()
         {
-            throw new NotImplementedException("Derived property DefaultFeaturingType not yet supported");
+            return this.ComputeDefaultFeaturingType();
         }
 
         /// <summary>
@@ -181,9 +191,10 @@ public IType QueryDefaultFeaturingType()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -196,9 +207,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -206,9 +218,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -217,9 +230,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -227,6 +241,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -235,9 +250,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -245,6 +261,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -253,9 +270,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IConnector.ConnectorEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -265,9 +283,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -275,9 +294,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -286,18 +306,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -307,9 +329,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -317,9 +340,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -327,9 +351,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -337,9 +362,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -348,9 +374,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -358,9 +385,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -373,9 +401,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -383,6 +412,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -391,15 +421,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -407,12 +439,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -426,6 +460,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -433,6 +468,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -443,6 +479,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -450,21 +487,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -472,15 +512,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -492,12 +534,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -505,13 +549,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -521,9 +568,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565471361757_649736_20796", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IItemUsage.ItemDefinition")]
         public List<IStructure> QueryItemDefinition()
         {
-            throw new NotImplementedException("Derived property ItemDefinition not yet supported");
+            return this.ComputeItemDefinition();
         }
 
         /// <summary>
@@ -536,9 +584,10 @@ public List<IStructure> QueryItemDefinition()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -546,9 +595,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -556,9 +606,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -568,9 +619,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -580,9 +632,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -590,9 +643,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -600,9 +654,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -610,9 +665,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -620,9 +676,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -630,9 +687,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -640,9 +698,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -650,9 +709,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -662,9 +722,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -672,9 +733,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -682,9 +744,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -692,9 +755,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -702,9 +766,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -712,9 +777,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -722,9 +788,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -732,9 +799,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -742,9 +810,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -752,9 +821,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -762,9 +832,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -772,9 +843,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -782,9 +854,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -792,9 +865,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -802,9 +876,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -813,9 +888,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -823,9 +899,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -833,9 +910,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -843,9 +921,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -853,9 +932,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -865,9 +945,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -875,9 +956,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -887,9 +969,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -898,9 +981,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -909,9 +993,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -921,9 +1006,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -933,9 +1019,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -943,9 +1030,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -954,9 +1042,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -964,9 +1053,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -976,9 +1066,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -988,9 +1079,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1000,9 +1092,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1012,9 +1105,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1023,9 +1117,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1034,9 +1129,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1047,9 +1143,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1058,9 +1155,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1069,9 +1167,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1079,6 +1178,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -1086,6 +1186,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1095,9 +1196,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1107,9 +1209,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1119,9 +1222,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1131,9 +1235,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1142,9 +1247,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1152,9 +1258,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1163,9 +1270,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1173,9 +1281,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1184,9 +1293,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1195,9 +1305,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1205,6 +1316,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -1212,6 +1324,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1221,9 +1334,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1231,9 +1345,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1241,9 +1356,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591475180488_929065_121", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565471361757_649736_20796")]
+        [Implements(implementation: "IPartUsage.PartDefinition")]
         public List<IPartDefinition> QueryPartDefinition()
         {
-            throw new NotImplementedException("Derived property PartDefinition not yet supported");
+            return this.ComputePartDefinition();
         }
 
         /// <summary>
@@ -1252,6 +1368,7 @@ public List<IPartDefinition> QueryPartDefinition()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1263,9 +1380,10 @@ public List<IPartDefinition> QueryPartDefinition()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1274,9 +1392,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IConnector.RelatedFeature")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -1285,9 +1404,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_916334_43210", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IConnector.RelatedFeature")]
         public List<IFeature> QueryRelatedFeature()
         {
-            throw new NotImplementedException("Derived property RelatedFeature not yet supported");
+            return this.ComputeRelatedFeature();
         }
 
         /// <summary>
@@ -1297,9 +1417,10 @@ public List<IFeature> QueryRelatedFeature()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1307,7 +1428,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.SourceFeature")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConnector.SourceFeature")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedFeature for this Connector. It is the first relatedFeature.
@@ -1315,9 +1438,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594953058873_558253_3897", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConnector.SourceFeature")]
         public IFeature QuerySourceFeature()
         {
-            throw new NotImplementedException("Derived property SourceFeature not yet supported");
+            return this.ComputeSourceFeature();
         }
 
         /// <summary>
@@ -1325,7 +1449,9 @@ public IFeature QuerySourceFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.TargetFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConnector.TargetFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedFeatures for this Connector. This includes all the relatedFeatures other than the
@@ -1334,9 +1460,10 @@ public IFeature QuerySourceFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594953128207_991867_3946", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IConnector.TargetFeature")]
         public List<IFeature> QueryTargetFeature()
         {
-            throw new NotImplementedException("Derived property TargetFeature not yet supported");
+            return this.ComputeTargetFeature();
         }
 
         /// <summary>
@@ -1345,9 +1472,10 @@ public List<IFeature> QueryTargetFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1358,9 +1486,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1371,9 +1500,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1381,9 +1511,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1392,9 +1523,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1403,9 +1535,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Connector.cs b/SysML2.NET/Core/AutoGenPoco/Connector.cs
index ee609ad5..56e742ec 100644
--- a/SysML2.NET/Core/AutoGenPoco/Connector.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Connector.cs
@@ -58,6 +58,7 @@ public partial class Connector : IConnector
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -65,9 +66,10 @@ public partial class Connector : IConnector
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674983_471497_43284", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
+        [Implements(implementation: "IConnector.Association")]
         public List<IAssociation> QueryAssociation()
         {
-            throw new NotImplementedException("Derived property Association not yet supported");
+            return this.ComputeAssociation();
         }
 
         /// <summary>
@@ -79,9 +81,10 @@ public List<IAssociation> QueryAssociation()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -91,9 +94,10 @@ public List<IFeature> QueryChainingFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1556735067666_827798_21922", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IConnector.ConnectorEnd")]
         public List<IFeature> QueryConnectorEnd()
         {
-            throw new NotImplementedException("Derived property ConnectorEnd not yet supported");
+            return this.ComputeConnectorEnd();
         }
 
         /// <summary>
@@ -103,15 +107,17 @@ public List<IFeature> QueryConnectorEnd()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -121,6 +127,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -129,9 +136,10 @@ public IFeature QueryCrossFeature()
         /// checkConnectorTypeFeaturing constraint.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737751598145_444042_71", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IConnector.DefaultFeaturingType")]
         public IType QueryDefaultFeaturingType()
         {
-            throw new NotImplementedException("Derived property DefaultFeaturingType not yet supported");
+            return this.ComputeDefaultFeaturingType();
         }
 
         /// <summary>
@@ -144,9 +152,10 @@ public IType QueryDefaultFeaturingType()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -154,9 +163,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -164,6 +174,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -172,9 +183,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -182,6 +194,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -190,9 +203,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IConnector.ConnectorEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -202,9 +216,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -212,9 +227,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -223,18 +239,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -244,9 +262,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -254,9 +273,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -264,9 +284,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -275,9 +296,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -285,9 +307,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -300,9 +323,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -310,6 +334,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -318,15 +343,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -334,12 +361,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -353,6 +382,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -360,6 +390,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -370,21 +401,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -392,6 +426,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -403,12 +438,14 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -416,6 +453,7 @@ public bool QueryIsLibraryElement()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -423,9 +461,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -433,9 +472,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -445,9 +485,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -457,9 +498,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -467,9 +509,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -479,9 +522,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -490,9 +534,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -501,9 +546,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -513,9 +559,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -525,9 +572,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -535,9 +583,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -546,9 +595,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -556,9 +606,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -568,9 +619,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -580,9 +632,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -592,9 +645,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -604,9 +658,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -615,9 +670,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -626,9 +682,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -639,9 +696,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -650,9 +708,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -661,9 +720,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -671,6 +731,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -678,6 +739,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -687,9 +749,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -699,9 +762,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -711,9 +775,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -723,9 +788,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -734,9 +800,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -744,9 +811,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -754,9 +822,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -765,9 +834,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -776,9 +846,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -786,6 +857,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -793,6 +865,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -802,9 +875,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -816,9 +890,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -827,9 +902,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IConnector.RelatedFeature")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -838,9 +914,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_916334_43210", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IConnector.RelatedFeature")]
         public List<IFeature> QueryRelatedFeature()
         {
-            throw new NotImplementedException("Derived property RelatedFeature not yet supported");
+            return this.ComputeRelatedFeature();
         }
 
         /// <summary>
@@ -850,9 +927,10 @@ public List<IFeature> QueryRelatedFeature()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -860,7 +938,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.SourceFeature")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConnector.SourceFeature")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedFeature for this Connector. It is the first relatedFeature.
@@ -868,9 +948,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594953058873_558253_3897", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConnector.SourceFeature")]
         public IFeature QuerySourceFeature()
         {
-            throw new NotImplementedException("Derived property SourceFeature not yet supported");
+            return this.ComputeSourceFeature();
         }
 
         /// <summary>
@@ -878,7 +959,9 @@ public IFeature QuerySourceFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.TargetFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConnector.TargetFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedFeatures for this Connector. This includes all the relatedFeatures other than the
@@ -887,9 +970,10 @@ public IFeature QuerySourceFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594953128207_991867_3946", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IConnector.TargetFeature")]
         public List<IFeature> QueryTargetFeature()
         {
-            throw new NotImplementedException("Derived property TargetFeature not yet supported");
+            return this.ComputeTargetFeature();
         }
 
         /// <summary>
@@ -898,9 +982,10 @@ public List<IFeature> QueryTargetFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -911,9 +996,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IConnector.Association")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -924,9 +1010,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ConnectorAsUsage.cs b/SysML2.NET/Core/AutoGenPoco/ConnectorAsUsage.cs
index 71cc9862..552f7d49 100644
--- a/SysML2.NET/Core/AutoGenPoco/ConnectorAsUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ConnectorAsUsage.cs
@@ -80,6 +80,7 @@ public partial class ConnectorAsUsage : IConnectorAsUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -87,9 +88,10 @@ public partial class ConnectorAsUsage : IConnectorAsUsage
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674983_471497_43284", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
+        [Implements(implementation: "IConnector.Association")]
         public List<IAssociation> QueryAssociation()
         {
-            throw new NotImplementedException("Derived property Association not yet supported");
+            return this.ComputeAssociation();
         }
 
         /// <summary>
@@ -101,9 +103,10 @@ public List<IAssociation> QueryAssociation()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -113,9 +116,10 @@ public List<IFeature> QueryChainingFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1556735067666_827798_21922", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IConnector.ConnectorEnd")]
         public List<IFeature> QueryConnectorEnd()
         {
-            throw new NotImplementedException("Derived property ConnectorEnd not yet supported");
+            return this.ComputeConnectorEnd();
         }
 
         /// <summary>
@@ -125,15 +129,17 @@ public List<IFeature> QueryConnectorEnd()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -143,6 +149,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -151,9 +158,10 @@ public IFeature QueryCrossFeature()
         /// checkConnectorTypeFeaturing constraint.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737751598145_444042_71", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IConnector.DefaultFeaturingType")]
         public IType QueryDefaultFeaturingType()
         {
-            throw new NotImplementedException("Derived property DefaultFeaturingType not yet supported");
+            return this.ComputeDefaultFeaturingType();
         }
 
         /// <summary>
@@ -163,9 +171,10 @@ public IType QueryDefaultFeaturingType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -178,9 +187,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -188,9 +198,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -199,9 +210,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -209,6 +221,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -217,9 +230,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -227,6 +241,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -235,9 +250,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IConnector.ConnectorEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -247,9 +263,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -257,9 +274,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -268,18 +286,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -289,9 +309,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -299,9 +320,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -309,9 +331,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -320,9 +343,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -330,9 +354,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -345,9 +370,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -355,6 +381,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -363,15 +390,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -379,12 +408,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -398,6 +429,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -405,6 +437,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -415,21 +448,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -437,15 +473,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -457,12 +495,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -470,13 +510,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -489,9 +532,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -499,9 +543,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -509,9 +554,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -521,9 +567,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -533,9 +580,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -543,9 +591,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -553,9 +602,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -563,9 +613,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -573,9 +624,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -583,9 +635,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -593,9 +646,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -603,9 +657,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -615,9 +670,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -625,9 +681,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -635,9 +692,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -645,9 +703,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -655,9 +714,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -665,9 +725,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -675,9 +736,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -685,9 +747,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -695,9 +758,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -705,9 +769,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -715,9 +780,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -725,9 +791,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -735,9 +802,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -745,9 +813,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -755,9 +824,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -766,9 +836,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -776,9 +847,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -786,9 +858,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -796,9 +869,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -806,9 +880,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -816,9 +891,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -828,9 +904,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -839,9 +916,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -850,9 +928,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -862,9 +941,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -874,9 +954,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -884,9 +965,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -895,9 +977,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -905,9 +988,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -917,9 +1001,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -929,9 +1014,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -941,9 +1027,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -953,9 +1040,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -964,9 +1052,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -975,9 +1064,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -988,9 +1078,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -999,9 +1090,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1010,9 +1102,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1020,6 +1113,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -1027,6 +1121,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1036,9 +1131,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1048,9 +1144,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1060,9 +1157,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1072,9 +1170,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1083,9 +1182,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1093,9 +1193,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1104,9 +1205,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1114,9 +1216,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1125,9 +1228,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1136,9 +1240,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1146,6 +1251,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -1153,6 +1259,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1162,9 +1269,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1172,9 +1280,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1186,9 +1295,10 @@ public IUsage QueryOwningUsage()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1197,9 +1307,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IConnector.RelatedFeature")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -1208,9 +1319,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_916334_43210", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IConnector.RelatedFeature")]
         public List<IFeature> QueryRelatedFeature()
         {
-            throw new NotImplementedException("Derived property RelatedFeature not yet supported");
+            return this.ComputeRelatedFeature();
         }
 
         /// <summary>
@@ -1220,9 +1332,10 @@ public List<IFeature> QueryRelatedFeature()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1230,7 +1343,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.SourceFeature")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConnector.SourceFeature")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedFeature for this Connector. It is the first relatedFeature.
@@ -1238,9 +1353,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594953058873_558253_3897", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConnector.SourceFeature")]
         public IFeature QuerySourceFeature()
         {
-            throw new NotImplementedException("Derived property SourceFeature not yet supported");
+            return this.ComputeSourceFeature();
         }
 
         /// <summary>
@@ -1248,7 +1364,9 @@ public IFeature QuerySourceFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.TargetFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConnector.TargetFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedFeatures for this Connector. This includes all the relatedFeatures other than the
@@ -1257,9 +1375,10 @@ public IFeature QuerySourceFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594953128207_991867_3946", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IConnector.TargetFeature")]
         public List<IFeature> QueryTargetFeature()
         {
-            throw new NotImplementedException("Derived property TargetFeature not yet supported");
+            return this.ComputeTargetFeature();
         }
 
         /// <summary>
@@ -1268,9 +1387,10 @@ public List<IFeature> QueryTargetFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1281,9 +1401,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1294,9 +1415,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1304,9 +1426,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1315,9 +1438,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1326,9 +1450,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ConstraintDefinition.cs b/SysML2.NET/Core/AutoGenPoco/ConstraintDefinition.cs
index 795e279d..825dafd5 100644
--- a/SysML2.NET/Core/AutoGenPoco/ConstraintDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ConstraintDefinition.cs
@@ -78,12 +78,14 @@ public partial class ConstraintDefinition : IConstraintDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -93,6 +95,7 @@ public partial class ConstraintDefinition : IConstraintDefinition
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -105,9 +108,10 @@ public partial class ConstraintDefinition : IConstraintDefinition
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -116,9 +120,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -127,9 +132,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -138,9 +144,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -148,6 +155,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -155,9 +163,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -165,9 +174,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948400639_301251_20841", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
+        [Implements(implementation: "IFunction.Expression")]
         public List<IExpression> QueryExpression()
         {
-            throw new NotImplementedException("Derived property Expression not yet supported");
+            return this.ComputeExpression();
         }
 
         /// <summary>
@@ -175,9 +185,10 @@ public List<IExpression> QueryExpression()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -186,9 +197,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -196,9 +208,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -206,9 +219,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -217,9 +231,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -227,9 +242,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -242,9 +258,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -252,15 +269,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -271,21 +290,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -296,9 +318,10 @@ public bool QueryIsLibraryElement()
         /// model-level evaluable.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617395221463_139517_26381", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFunction.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
@@ -310,6 +333,7 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -317,6 +341,7 @@ public bool QueryIsModelLevelEvaluable()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -324,9 +349,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -334,9 +360,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -346,9 +373,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -358,9 +386,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -368,9 +397,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -378,9 +408,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -388,9 +419,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -398,9 +430,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -410,9 +443,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -420,9 +454,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -430,9 +465,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -440,9 +476,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -450,9 +487,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -461,9 +499,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -473,9 +512,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -483,9 +523,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -495,9 +536,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -507,9 +549,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -517,9 +560,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -528,9 +572,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -538,9 +583,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -548,9 +594,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -560,9 +607,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -570,9 +618,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -582,9 +631,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -592,9 +642,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -603,9 +654,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -613,9 +665,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -624,9 +677,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -637,9 +691,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -647,9 +702,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -657,9 +713,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -667,9 +724,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -677,9 +735,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -687,9 +746,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -697,6 +757,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -704,9 +765,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -714,9 +776,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -726,9 +789,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -736,9 +800,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -747,9 +812,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -757,9 +823,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -768,9 +835,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -779,9 +847,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -789,9 +858,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -799,9 +869,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -809,9 +880,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -819,9 +891,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -829,9 +902,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -840,9 +914,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -851,9 +926,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -861,6 +937,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -869,9 +946,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -883,9 +961,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -894,9 +973,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_18_5_3_12e503d9_1543948912268_88159_21323", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
+        [Implements(implementation: "IFunction.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -906,9 +986,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -916,9 +997,10 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -927,9 +1009,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -940,9 +1023,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -950,9 +1034,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -961,9 +1046,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -973,9 +1059,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ConstraintUsage.cs b/SysML2.NET/Core/AutoGenPoco/ConstraintUsage.cs
index 4d4f2d3d..a5dc767e 100644
--- a/SysML2.NET/Core/AutoGenPoco/ConstraintUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ConstraintUsage.cs
@@ -83,6 +83,7 @@ public partial class ConstraintUsage : IConstraintUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -91,9 +92,10 @@ public partial class ConstraintUsage : IConstraintUsage
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -105,9 +107,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -117,9 +120,10 @@ public List<IFeature> QueryChainingFeature()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067546711_751168_1745", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1578025035149_386_969")]
+        [Implements(implementation: "IConstraintUsage.ConstraintDefinition")]
         public IPredicate QueryConstraintDefinition()
         {
-            throw new NotImplementedException("Derived property ConstraintDefinition not yet supported");
+            return this.ComputeConstraintDefinition();
         }
 
         /// <summary>
@@ -129,15 +133,17 @@ public IPredicate QueryConstraintDefinition()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -147,6 +153,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -157,9 +164,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -172,9 +180,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -183,9 +192,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -194,9 +204,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -204,6 +215,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -212,9 +224,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -222,6 +235,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -229,9 +243,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -241,9 +256,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -251,9 +267,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -262,18 +279,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -283,9 +302,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -294,9 +314,10 @@ public List<IType> QueryFeaturingType()
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("IBooleanExpression.Predicate")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -304,9 +325,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -314,9 +336,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -324,9 +347,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -335,9 +359,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -345,9 +370,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -360,9 +386,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -370,6 +397,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -378,15 +406,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -394,12 +424,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -413,6 +445,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -423,6 +456,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -430,15 +464,17 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -446,15 +482,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -462,15 +500,17 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -482,12 +522,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -495,13 +537,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -514,9 +559,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -524,9 +570,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -534,9 +581,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -546,9 +594,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -558,9 +607,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -568,9 +618,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -578,9 +629,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -588,9 +640,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -598,9 +651,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -608,9 +662,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -618,9 +673,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -628,9 +684,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -650,9 +708,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -660,9 +719,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -670,9 +730,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -680,9 +741,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -690,9 +752,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -700,9 +763,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -710,9 +774,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -720,9 +785,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -730,9 +796,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -740,9 +807,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -750,9 +818,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -760,9 +829,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -770,9 +840,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -780,9 +851,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -791,9 +863,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -801,9 +874,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -811,9 +885,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -821,9 +896,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -831,9 +907,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -843,9 +920,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -853,9 +931,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -865,9 +944,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -876,9 +956,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -887,9 +968,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -899,9 +981,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -911,9 +994,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -921,9 +1005,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -932,9 +1017,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -942,9 +1028,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -954,9 +1041,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -966,9 +1054,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -978,9 +1067,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -990,9 +1080,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1001,9 +1092,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1012,9 +1104,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1025,9 +1118,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1036,9 +1130,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1047,9 +1142,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1057,6 +1153,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1066,9 +1163,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1078,9 +1176,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1090,9 +1189,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1102,9 +1202,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1113,9 +1214,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1123,9 +1225,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1134,9 +1237,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1144,9 +1248,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1155,9 +1260,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1166,9 +1272,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1176,6 +1283,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1185,9 +1293,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1195,9 +1304,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1206,9 +1316,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1217,6 +1328,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1225,9 +1337,10 @@ public List<IFeature> QueryParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1578025035149_386_969", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543948477241_299049_20934")]
         [RedefinedByProperty("IConstraintUsage.ConstraintDefinition")]
+        [Implements(implementation: "IBooleanExpression.Predicate")]
         public IPredicate QueryPredicate()
         {
-            throw new NotImplementedException("Derived property Predicate not yet supported");
+            return this.ComputePredicate();
         }
 
         /// <summary>
@@ -1239,9 +1352,10 @@ public IPredicate QueryPredicate()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1252,9 +1366,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -1264,9 +1379,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1275,9 +1391,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1288,9 +1405,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1301,9 +1419,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1311,9 +1430,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1322,9 +1442,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1333,9 +1454,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ConstructorExpression.cs b/SysML2.NET/Core/AutoGenPoco/ConstructorExpression.cs
index a600cf24..58984e00 100644
--- a/SysML2.NET/Core/AutoGenPoco/ConstructorExpression.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ConstructorExpression.cs
@@ -58,6 +58,7 @@ public partial class ConstructorExpression : IConstructorExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -67,9 +68,10 @@ public partial class ConstructorExpression : IConstructorExpression
         /// InstantiationExpression.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134437590_328753_108", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IInstantiationExpression.Argument")]
         public List<IExpression> QueryArgument()
         {
-            throw new NotImplementedException("Derived property Argument not yet supported");
+            return this.ComputeArgument();
         }
 
         /// <summary>
@@ -78,9 +80,10 @@ public List<IExpression> QueryArgument()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -92,9 +95,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -104,15 +108,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -122,6 +128,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -134,9 +141,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -145,9 +153,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -155,6 +164,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -163,9 +173,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -173,6 +184,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -180,9 +192,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -192,9 +205,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -202,9 +216,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -213,18 +228,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -234,9 +251,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -244,9 +262,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -254,9 +273,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -264,9 +284,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -275,9 +296,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -285,9 +307,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -295,9 +318,10 @@ public List<IFeature> QueryInput()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134352572_416088_80", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IInstantiationExpression.InstantiatedType")]
         public IType QueryInstantiatedType()
         {
-            throw new NotImplementedException("Derived property InstantiatedType not yet supported");
+            return this.ComputeInstantiatedType();
         }
 
         /// <summary>
@@ -310,9 +334,10 @@ public IType QueryInstantiatedType()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -320,6 +345,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -328,15 +354,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -344,12 +372,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -363,6 +393,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -373,15 +404,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -389,15 +422,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -405,6 +440,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -416,12 +452,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -429,6 +467,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -436,9 +475,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -446,9 +486,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -458,9 +499,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -470,9 +512,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -480,9 +523,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -492,9 +536,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -503,9 +548,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -514,9 +560,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -526,9 +573,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -538,9 +586,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -548,9 +597,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -559,9 +609,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -569,9 +620,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -581,9 +633,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -593,9 +646,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -617,9 +672,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -628,9 +684,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -639,9 +696,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -652,9 +710,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -663,9 +722,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -674,9 +734,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -684,6 +745,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -693,9 +755,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -705,9 +768,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -717,9 +781,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -729,9 +794,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -740,9 +806,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -750,9 +817,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -760,9 +828,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -771,9 +840,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -782,9 +852,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -792,6 +863,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -801,9 +873,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -812,9 +885,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -826,9 +900,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -839,9 +914,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -851,9 +927,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -862,9 +939,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -874,9 +952,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -887,9 +966,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ControlNode.cs b/SysML2.NET/Core/AutoGenPoco/ControlNode.cs
index 5bad04fa..cc084fcf 100644
--- a/SysML2.NET/Core/AutoGenPoco/ControlNode.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ControlNode.cs
@@ -85,15 +85,17 @@ public partial class ControlNode : IControlNode
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -102,9 +104,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -116,9 +119,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -128,15 +132,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -146,6 +152,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -156,9 +163,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -171,9 +179,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -182,9 +191,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -193,9 +203,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -203,6 +214,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -211,9 +223,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -221,6 +234,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -228,9 +242,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -240,9 +255,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -250,9 +266,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -261,18 +278,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -282,9 +301,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -292,9 +312,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -302,9 +323,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -312,9 +334,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -323,9 +346,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -333,9 +357,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -348,9 +373,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -358,6 +384,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -366,15 +393,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -382,12 +411,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -401,6 +432,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -411,6 +443,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -418,21 +451,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -440,15 +476,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -460,12 +498,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -473,13 +513,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -492,9 +535,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -502,9 +546,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -512,9 +557,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -524,9 +570,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -536,9 +583,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -546,9 +594,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -556,9 +605,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -566,9 +616,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -576,9 +627,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -586,9 +638,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -596,9 +649,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -606,9 +660,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -618,9 +673,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -628,9 +684,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -638,9 +695,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -648,9 +706,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -658,9 +717,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -668,9 +728,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -678,9 +739,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -688,9 +750,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -698,9 +761,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -708,9 +772,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -718,9 +783,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -728,9 +794,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -738,9 +805,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -748,9 +816,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -758,9 +827,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -769,9 +839,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -779,9 +850,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -789,9 +861,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -799,9 +872,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -809,9 +883,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -822,9 +897,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -832,9 +908,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -844,9 +921,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -855,9 +933,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -866,9 +945,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -878,9 +958,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -890,9 +971,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -900,9 +982,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -911,9 +994,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -921,9 +1005,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -933,9 +1018,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -945,9 +1031,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -957,9 +1044,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -969,9 +1057,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -980,9 +1069,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -991,9 +1081,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1004,9 +1095,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1015,9 +1107,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1026,9 +1119,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1036,6 +1130,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1045,9 +1140,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1057,9 +1153,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1069,9 +1166,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1081,9 +1179,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1092,9 +1191,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1102,9 +1202,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1113,9 +1214,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1123,9 +1225,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1134,9 +1237,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1145,9 +1249,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1155,6 +1260,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1164,9 +1270,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1174,9 +1281,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1185,9 +1293,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1196,6 +1305,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1207,9 +1317,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1219,9 +1330,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1230,9 +1342,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1243,9 +1356,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1256,9 +1370,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1266,9 +1381,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1277,9 +1393,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1288,9 +1405,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/CrossSubsetting.cs b/SysML2.NET/Core/AutoGenPoco/CrossSubsetting.cs
index bbb6127f..2be6f260 100644
--- a/SysML2.NET/Core/AutoGenPoco/CrossSubsetting.cs
+++ b/SysML2.NET/Core/AutoGenPoco/CrossSubsetting.cs
@@ -65,6 +65,7 @@ public partial class CrossSubsetting : ICrossSubsetting
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -72,6 +73,7 @@ public partial class CrossSubsetting : ICrossSubsetting
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616524877_131585_248", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_393191_43181")]
+        [Implements(implementation: "ICrossSubsetting.CrossedFeature")]
         public IFeature CrossedFeature { get; set; }
 
         /// <summary>
@@ -80,15 +82,17 @@ public partial class CrossSubsetting : ICrossSubsetting
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_477020_278", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_236250_43311")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674967_140305_43206")]
+        [Implements(implementation: "ICrossSubsetting.CrossingFeature")]
         public IFeature QueryCrossingFeature()
         {
-            throw new NotImplementedException("Derived property CrossingFeature not yet supported");
+            return this.ComputeCrossingFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -98,6 +102,7 @@ public IFeature QueryCrossingFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -106,9 +111,10 @@ public IFeature QueryCrossingFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -116,6 +122,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -123,13 +130,16 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674980_563969_43273", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("ISubsetting.SubsettedFeature")] public IType General { get; set; }
+        [RedefinedByProperty("ISubsetting.SubsettedFeature")]
+        [Implements(implementation: "ISpecialization.General")]
+        public IType General { get; set; }
 
         /// <summary>
         /// Whether this Relationship was generated by tooling to meet semantic rules, rather than being
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -140,15 +150,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -158,9 +170,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -170,9 +183,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -180,9 +194,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -190,6 +205,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -197,6 +213,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -204,9 +221,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -216,9 +234,10 @@ public IElement QueryOwner()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674967_140305_43206")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_573157_43226")]
         [RedefinedByProperty("ICrossSubsetting.CrossingFeature")]
+        [Implements(implementation: "ISubsetting.OwningFeature")]
         public IFeature QueryOwningFeature()
         {
-            throw new NotImplementedException("Derived property OwningFeature not yet supported");
+            return this.ComputeOwningFeature();
         }
 
         /// <summary>
@@ -227,9 +246,10 @@ public IFeature QueryOwningFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -238,9 +258,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -248,6 +269,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -255,6 +277,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -264,9 +287,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
         [RedefinedByProperty("ISubsetting.OwningFeature")]
+        [Implements(implementation: "ISpecialization.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -278,9 +302,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -288,9 +313,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -300,9 +326,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -310,35 +337,45 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.Specific")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("ISpecialization.Specific")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// A Type with a subset of all instances of the general Type, which might be the same set.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674982_253967_43281", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
-        [RedefinedByProperty("ISubsetting.SubsettingFeature")] public IType Specific { get; set; }
+        [RedefinedByProperty("ISubsetting.SubsettingFeature")]
+        [Implements(implementation: "ISpecialization.Specific")]
+        public IType Specific { get; set; }
 
         /// <summary>
         /// The Feature that is subsetted by the subsettingFeature of this Subsetting.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_393191_43181", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_563969_43273")]
-        [RedefinedByProperty("ICrossSubsetting.CrossedFeature")] public IFeature SubsettedFeature { get; set; }
+        [RedefinedByProperty("ICrossSubsetting.CrossedFeature")]
+        [Implements(implementation: "ISubsetting.SubsettedFeature")]
+        public IFeature SubsettedFeature { get; set; }
 
         /// <summary>
         /// The Feature that is a subset of the subsettedFeature of this Subsetting.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674967_140305_43206", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
-        [RedefinedByProperty("ICrossSubsetting.CrossingFeature")] public IFeature SubsettingFeature { get; set; }
+        [RedefinedByProperty("ICrossSubsetting.CrossingFeature")]
+        [Implements(implementation: "ISubsetting.SubsettingFeature")]
+        public IFeature SubsettingFeature { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.General")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("ISpecialization.General")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -346,9 +383,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/DataType.cs b/SysML2.NET/Core/AutoGenPoco/DataType.cs
index 6ac131be..644968de 100644
--- a/SysML2.NET/Core/AutoGenPoco/DataType.cs
+++ b/SysML2.NET/Core/AutoGenPoco/DataType.cs
@@ -59,12 +59,14 @@ public partial class DataType : IDataType
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -74,6 +76,7 @@ public partial class DataType : IDataType
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -86,9 +89,10 @@ public partial class DataType : IDataType
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -96,9 +100,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -107,9 +112,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -117,6 +123,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -124,9 +131,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -134,9 +142,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -145,9 +154,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -155,9 +165,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -165,9 +176,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -176,9 +188,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -186,9 +199,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -201,9 +215,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -211,15 +226,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -230,15 +247,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -250,6 +269,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -257,9 +277,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -267,9 +288,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -279,9 +301,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -291,9 +314,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -301,9 +325,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -313,9 +338,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -324,9 +350,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -336,9 +363,10 @@ public IConjugation QueryOwnedConjugator()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -348,9 +376,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -358,9 +387,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -369,9 +399,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -379,9 +410,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -391,9 +423,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -403,9 +436,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -414,9 +448,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -425,9 +460,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -438,9 +474,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -448,6 +485,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -457,9 +495,10 @@ public List<IMembership> QueryOwnedMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -468,9 +507,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -479,9 +519,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -489,9 +530,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -500,9 +542,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -511,9 +554,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -521,6 +565,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -532,9 +577,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -544,9 +590,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -555,9 +602,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -568,9 +616,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/DecisionNode.cs b/SysML2.NET/Core/AutoGenPoco/DecisionNode.cs
index 075f5f13..a11b30f4 100644
--- a/SysML2.NET/Core/AutoGenPoco/DecisionNode.cs
+++ b/SysML2.NET/Core/AutoGenPoco/DecisionNode.cs
@@ -83,15 +83,17 @@ public partial class DecisionNode : IDecisionNode
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -100,9 +102,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -114,9 +117,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -126,15 +130,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -144,6 +150,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -154,9 +161,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -169,9 +177,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -180,9 +189,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -191,9 +201,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -201,6 +212,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -209,9 +221,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -219,6 +232,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -226,9 +240,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -238,9 +253,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -248,9 +264,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -259,18 +276,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -280,9 +299,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -290,9 +310,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -300,9 +321,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -310,9 +332,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -321,9 +344,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -331,9 +355,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -346,9 +371,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -356,6 +382,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -364,15 +391,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -380,12 +409,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -399,6 +430,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -409,6 +441,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -416,21 +449,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -438,15 +474,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -458,12 +496,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -471,13 +511,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -490,9 +533,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -500,9 +544,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -510,9 +555,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -522,9 +568,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -534,9 +581,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -544,9 +592,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -554,9 +603,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -564,9 +614,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -574,9 +625,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -584,9 +636,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -594,9 +647,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -604,9 +658,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -626,9 +682,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -636,9 +693,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -646,9 +704,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -656,9 +715,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -666,9 +726,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -676,9 +737,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -686,9 +748,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -696,9 +759,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -706,9 +770,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -716,9 +781,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -726,9 +792,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -736,9 +803,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -746,9 +814,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -756,9 +825,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -767,9 +837,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -777,9 +848,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -787,9 +859,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -797,9 +870,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -807,9 +881,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -820,9 +895,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -830,9 +906,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -842,9 +919,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -853,9 +931,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -864,9 +943,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -876,9 +956,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -888,9 +969,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -898,9 +980,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -909,9 +992,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -919,9 +1003,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -931,9 +1016,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -943,9 +1029,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -955,9 +1042,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -967,9 +1055,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -978,9 +1067,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -989,9 +1079,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1002,9 +1093,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1013,9 +1105,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1024,9 +1117,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1034,6 +1128,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1043,9 +1138,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1055,9 +1151,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1067,9 +1164,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1079,9 +1177,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1090,9 +1189,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1100,9 +1200,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1111,9 +1212,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1121,9 +1223,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1132,9 +1235,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1143,9 +1247,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1153,6 +1258,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1162,9 +1268,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1172,9 +1279,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1183,9 +1291,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1194,6 +1303,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1205,9 +1315,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1217,9 +1328,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1228,9 +1340,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1241,9 +1354,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1254,9 +1368,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1264,9 +1379,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1275,9 +1391,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1286,9 +1403,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Definition.cs b/SysML2.NET/Core/AutoGenPoco/Definition.cs
index 5c5cb643..6e9dde90 100644
--- a/SysML2.NET/Core/AutoGenPoco/Definition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Definition.cs
@@ -84,12 +84,14 @@ public partial class Definition : IDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -99,6 +101,7 @@ public partial class Definition : IDefinition
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -111,9 +114,10 @@ public partial class Definition : IDefinition
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -121,9 +125,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -132,9 +137,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -143,9 +149,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -153,6 +160,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -160,9 +168,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -170,9 +179,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -181,9 +191,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -191,9 +202,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -201,9 +213,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -212,9 +225,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -222,9 +236,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -237,9 +252,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -247,15 +263,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -266,15 +284,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -286,6 +306,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -293,6 +314,7 @@ public bool QueryIsLibraryElement()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -300,9 +322,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -310,9 +333,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -322,9 +346,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -334,9 +359,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -344,9 +370,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -354,9 +381,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -364,9 +392,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -374,9 +403,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -386,9 +416,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -396,9 +427,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -406,9 +438,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -416,9 +449,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -426,9 +460,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -437,9 +472,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -449,9 +485,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -459,9 +496,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -471,9 +509,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -483,9 +522,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -493,9 +533,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -504,9 +545,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -514,9 +556,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -524,9 +567,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -536,9 +580,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -546,9 +591,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -558,9 +604,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -568,9 +615,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -579,9 +627,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -589,9 +638,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -600,9 +650,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -613,9 +664,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -623,9 +675,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -633,9 +686,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -643,9 +697,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -653,9 +708,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -663,9 +719,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -673,6 +730,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -680,9 +738,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -690,9 +749,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -702,9 +762,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -712,9 +773,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -723,9 +785,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -733,9 +796,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -744,9 +808,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -755,9 +820,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -765,9 +831,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -775,9 +842,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -785,9 +853,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -795,9 +864,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -805,9 +875,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -816,9 +887,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -827,9 +899,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -837,6 +910,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -848,9 +922,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -860,9 +935,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -871,9 +947,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -884,9 +961,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -894,9 +972,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -905,9 +984,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -917,9 +997,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Dependency.cs b/SysML2.NET/Core/AutoGenPoco/Dependency.cs
index 9d83821f..4d0b08ae 100644
--- a/SysML2.NET/Core/AutoGenPoco/Dependency.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Dependency.cs
@@ -54,6 +54,7 @@ public partial class Dependency : IDependency
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -61,12 +62,14 @@ public partial class Dependency : IDependency
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594006406653_175551_182", aggregation: AggregationKind.None, lowerValue: 1, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IDependency.Client")]
         public List<IElement> Client { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -76,6 +79,7 @@ public partial class Dependency : IDependency
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -84,9 +88,10 @@ public partial class Dependency : IDependency
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -94,6 +99,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -101,6 +107,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -111,15 +118,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -129,9 +138,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -141,9 +151,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -151,9 +162,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -161,6 +173,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -168,6 +181,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -175,9 +189,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -186,9 +201,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -197,9 +213,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -207,6 +224,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -214,6 +232,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -225,9 +244,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -235,9 +255,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -247,9 +268,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -257,13 +279,16 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IDependency.Client")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IDependency.Client")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The Element or Elements on which the client Elements depend in some respect.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594006525044_548771_207", aggregation: AggregationKind.None, lowerValue: 1, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IDependency.Supplier")]
         public List<IElement> Supplier { get; set; }
 
         /// <summary>
@@ -271,7 +296,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IDependency.Supplier")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IDependency.Supplier")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -279,9 +306,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Differencing.cs b/SysML2.NET/Core/AutoGenPoco/Differencing.cs
index 0ae020d2..a039db53 100644
--- a/SysML2.NET/Core/AutoGenPoco/Differencing.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Differencing.cs
@@ -52,12 +52,14 @@ public partial class Differencing : IDifferencing
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -67,6 +69,7 @@ public partial class Differencing : IDifferencing
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -75,6 +78,7 @@ public partial class Differencing : IDifferencing
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661871173117_978241_809", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IDifferencing.DifferencingType")]
         public IType DifferencingType { get; set; }
 
         /// <summary>
@@ -83,9 +87,10 @@ public partial class Differencing : IDifferencing
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -93,6 +98,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -100,6 +106,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -110,15 +117,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -128,9 +137,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -140,9 +150,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -150,9 +161,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -160,6 +172,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -167,6 +180,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -174,9 +188,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -185,9 +200,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -196,9 +212,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -206,6 +223,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -213,6 +231,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -224,9 +243,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -234,9 +254,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -246,9 +267,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -256,14 +278,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IDifferencing.TypeDifferenced")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IDifferencing.TypeDifferenced")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IDifferencing.DifferencingType")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IDifferencing.DifferencingType")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -271,9 +297,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -283,9 +310,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         [Property(xmiId: "_19_0_4_b9102da_1661871168453_175911_796", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IDifferencing.TypeDifferenced")]
         public IType QueryTypeDifferenced()
         {
-            throw new NotImplementedException("Derived property TypeDifferenced not yet supported");
+            return this.ComputeTypeDifferenced();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Disjoining.cs b/SysML2.NET/Core/AutoGenPoco/Disjoining.cs
index d01d035e..4bb9bfd7 100644
--- a/SysML2.NET/Core/AutoGenPoco/Disjoining.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Disjoining.cs
@@ -54,12 +54,14 @@ public partial class Disjoining : IDisjoining
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -69,6 +71,7 @@ public partial class Disjoining : IDisjoining
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -76,6 +79,7 @@ public partial class Disjoining : IDisjoining
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1623183201866_537160_629", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IDisjoining.DisjoiningType")]
         public IType DisjoiningType { get; set; }
 
         /// <summary>
@@ -84,9 +88,10 @@ public partial class Disjoining : IDisjoining
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -94,6 +99,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -101,6 +107,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -111,15 +118,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -129,9 +138,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -141,9 +151,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -151,9 +162,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -161,6 +173,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -168,6 +181,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -175,9 +189,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -186,9 +201,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -197,9 +213,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -207,6 +224,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -214,6 +232,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -222,9 +241,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519614_499771_371", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_955906_617")]
+        [Implements(implementation: "IDisjoining.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -236,9 +256,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -246,9 +267,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -258,9 +280,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -268,14 +291,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IDisjoining.TypeDisjoined")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IDisjoining.TypeDisjoined")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IDisjoining.DisjoiningType")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IDisjoining.DisjoiningType")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -283,9 +310,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -293,6 +321,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1623183194914_955906_617", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IDisjoining.TypeDisjoined")]
         public IType TypeDisjoined { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Documentation.cs b/SysML2.NET/Core/AutoGenPoco/Documentation.cs
index c0457235..bf643ed0 100644
--- a/SysML2.NET/Core/AutoGenPoco/Documentation.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Documentation.cs
@@ -50,6 +50,7 @@ public partial class Documentation : IDocumentation
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -59,9 +60,10 @@ public partial class Documentation : IDocumentation
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594145755058_99428_86", aggregation: AggregationKind.None, lowerValue: 1, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IDocumentation.DocumentedElement")]
+        [Implements(implementation: "IAnnotatingElement.AnnotatedElement")]
         public List<IElement> QueryAnnotatedElement()
         {
-            throw new NotImplementedException("Derived property AnnotatedElement not yet supported");
+            return this.ComputeAnnotatedElement();
         }
 
         /// <summary>
@@ -70,21 +72,24 @@ public List<IElement> QueryAnnotatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543094212714_953084_18407", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IAnnotatingElement.Annotation")]
         public List<IAnnotation> QueryAnnotation()
         {
-            throw new NotImplementedException("Derived property Annotation not yet supported");
+            return this.ComputeAnnotation();
         }
 
         /// <summary>
         /// The annotation text for the Comment.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674981_840045_43277", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IComment.Body")]
         public string Body { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -94,6 +99,7 @@ public List<IAnnotation> QueryAnnotation()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -102,9 +108,10 @@ public List<IAnnotation> QueryAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -113,9 +120,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_948466_1622", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_744477_17277")]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1594145755058_99428_86")]
+        [Implements(implementation: "IDocumentation.DocumentedElement")]
         public IElement QueryDocumentedElement()
         {
-            throw new NotImplementedException("Derived property DocumentedElement not yet supported");
+            return this.ComputeDocumentedElement();
         }
 
         /// <summary>
@@ -123,6 +131,7 @@ public IElement QueryDocumentedElement()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -133,15 +142,17 @@ public IElement QueryDocumentedElement()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -150,6 +161,7 @@ public bool QueryIsLibraryElement()
         /// [language[_territory][.codeset][@modifier]].
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1647722682836_708148_649", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IComment.Locale")]
         public string Locale { get; set; }
 
         /// <summary>
@@ -159,9 +171,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -171,9 +184,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_4_12e503d9_1703019570915_375100_18", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IAnnotatingElement.OwnedAnnotatingRelationship")]
         public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotatingRelationship not yet supported");
+            return this.ComputeOwnedAnnotatingRelationship();
         }
 
         /// <summary>
@@ -183,9 +197,10 @@ public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -193,9 +208,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -203,6 +219,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -210,9 +227,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -221,9 +239,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_2022x_2_12e503d9_1735188506571_308678_376", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
+        [Implements(implementation: "IAnnotatingElement.OwningAnnotatingRelationship")]
         public IAnnotation QueryOwningAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwningAnnotatingRelationship not yet supported");
+            return this.ComputeOwningAnnotatingRelationship();
         }
 
         /// <summary>
@@ -232,9 +251,10 @@ public IAnnotation QueryOwningAnnotatingRelationship()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -243,9 +263,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -253,6 +274,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -264,9 +286,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -276,9 +299,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -287,9 +311,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Element.cs b/SysML2.NET/Core/AutoGenPoco/Element.cs
index 75984018..83dcf2c1 100644
--- a/SysML2.NET/Core/AutoGenPoco/Element.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Element.cs
@@ -53,12 +53,14 @@ public partial class Element : IElement
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -68,6 +70,7 @@ public partial class Element : IElement
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -76,9 +79,10 @@ public partial class Element : IElement
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -86,6 +90,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -96,15 +101,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -114,9 +121,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -126,9 +134,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -136,9 +145,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -146,6 +156,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -153,9 +164,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -164,9 +176,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -175,9 +188,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -185,6 +199,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -196,9 +211,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -208,9 +224,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -219,9 +236,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ElementFilterMembership.cs b/SysML2.NET/Core/AutoGenPoco/ElementFilterMembership.cs
index 9720f5af..66112cb5 100644
--- a/SysML2.NET/Core/AutoGenPoco/ElementFilterMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ElementFilterMembership.cs
@@ -56,6 +56,7 @@ public partial class ElementFilterMembership : IElementFilterMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -64,15 +65,17 @@ public partial class ElementFilterMembership : IElementFilterMembership
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1605762464250_876969_157", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
+        [Implements(implementation: "IElementFilterMembership.Condition")]
         public IExpression QueryCondition()
         {
-            throw new NotImplementedException("Derived property Condition not yet supported");
+            return this.ComputeCondition();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -82,6 +85,7 @@ public IExpression QueryCondition()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -90,9 +94,10 @@ public IExpression QueryCondition()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -100,6 +105,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -107,6 +113,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -117,15 +124,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -133,23 +142,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -158,16 +172,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_531296_43182")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -176,9 +193,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -188,9 +206,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -198,9 +217,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -211,9 +231,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IElementFilterMembership.Condition")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -221,9 +242,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -231,9 +253,10 @@ public string QueryOwnedMemberElementId()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -241,9 +264,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -251,6 +275,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -258,6 +283,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -265,9 +291,10 @@ public string QueryOwnedMemberShortName()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -276,9 +303,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -287,9 +315,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -297,6 +326,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -304,6 +334,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -315,9 +346,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -325,9 +357,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -337,9 +370,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -347,14 +381,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -362,9 +400,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -372,6 +411,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/EndFeatureMembership.cs b/SysML2.NET/Core/AutoGenPoco/EndFeatureMembership.cs
index ba0de6fb..e3423ed0 100644
--- a/SysML2.NET/Core/AutoGenPoco/EndFeatureMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/EndFeatureMembership.cs
@@ -54,12 +54,14 @@ public partial class EndFeatureMembership : IEndFeatureMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -69,6 +71,7 @@ public partial class EndFeatureMembership : IEndFeatureMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -77,9 +80,10 @@ public partial class EndFeatureMembership : IEndFeatureMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -87,6 +91,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -94,6 +99,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -104,15 +110,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -120,23 +128,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -146,16 +159,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -164,9 +180,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -176,9 +193,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -186,9 +204,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -199,9 +218,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -209,18 +229,20 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1625459277304_568293_5526", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674993_898044_43344")]
+        [Implements(implementation: "IEndFeatureMembership.OwnedMemberFeature")]
         IFeature IEndFeatureMembership.QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -230,9 +252,10 @@ IFeature IEndFeatureMembership.QueryOwnedMemberFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
         [RedefinedByProperty("IEndFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         IFeature Core.Types.IFeatureMembership.QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -240,9 +263,10 @@ IFeature Core.Types.IFeatureMembership.QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -250,9 +274,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -260,6 +285,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -267,6 +293,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -274,9 +301,10 @@ public string QueryOwnedMemberShortName()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -285,9 +313,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -296,9 +325,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -306,6 +336,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -313,6 +344,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -321,9 +353,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -335,9 +368,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -345,9 +379,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -357,9 +392,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -367,14 +403,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -382,9 +422,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -392,6 +433,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/EnumerationDefinition.cs b/SysML2.NET/Core/AutoGenPoco/EnumerationDefinition.cs
index 550b60b0..c4026550 100644
--- a/SysML2.NET/Core/AutoGenPoco/EnumerationDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/EnumerationDefinition.cs
@@ -77,12 +77,14 @@ public partial class EnumerationDefinition : IEnumerationDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -92,6 +94,7 @@ public partial class EnumerationDefinition : IEnumerationDefinition
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -104,9 +107,10 @@ public partial class EnumerationDefinition : IEnumerationDefinition
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -114,9 +118,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -125,9 +130,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -136,9 +142,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -146,6 +153,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -153,9 +161,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -164,9 +173,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946634788_959145_265", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1590979457191_746167_951")]
+        [Implements(implementation: "IEnumerationDefinition.EnumeratedValue")]
         public List<IEnumerationUsage> QueryEnumeratedValue()
         {
-            throw new NotImplementedException("Derived property EnumeratedValue not yet supported");
+            return this.ComputeEnumeratedValue();
         }
 
         /// <summary>
@@ -174,9 +184,10 @@ public List<IEnumerationUsage> QueryEnumeratedValue()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -185,9 +196,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -195,9 +207,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -205,9 +218,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -216,9 +230,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -226,9 +241,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -241,9 +257,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -251,15 +268,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -270,15 +289,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -290,6 +311,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -298,6 +320,7 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946783667_895456_287", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1590978283180_265362_419")]
+        [Implements(implementation: "IEnumerationDefinition.IsVariation")]
         bool IEnumerationDefinition.IsVariation { get; set; }
 
         /// <summary>
@@ -305,16 +328,19 @@ public bool QueryIsLibraryElement()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IEnumerationDefinition.IsVariation")] bool Systems.DefinitionAndUsage.IDefinition.IsVariation { get; set; }
+        [RedefinedByProperty("IEnumerationDefinition.IsVariation")]
+        [Implements(implementation: "IDefinition.IsVariation")]
+        bool Systems.DefinitionAndUsage.IDefinition.IsVariation { get; set; }
 
         /// <summary>
         /// The set of all member Elements of this Namespace, which are the memberElements of all memberships of
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -322,9 +348,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -334,9 +361,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -346,9 +374,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -356,9 +385,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -366,9 +396,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -376,9 +407,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -386,9 +418,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -398,9 +431,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -408,9 +442,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -418,9 +453,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -428,9 +464,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -438,9 +475,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -449,9 +487,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -461,9 +500,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -471,9 +511,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -483,9 +524,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -495,9 +537,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -505,9 +548,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -516,9 +560,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -526,9 +571,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -536,9 +582,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -548,9 +595,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -558,9 +606,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -570,9 +619,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -580,9 +630,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -591,9 +642,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -601,9 +653,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -612,9 +665,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -625,9 +679,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -635,9 +690,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -645,9 +701,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -655,9 +712,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -665,9 +723,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -675,9 +734,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -685,6 +745,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -692,9 +753,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -702,9 +764,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -714,9 +777,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -724,9 +788,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -735,9 +800,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -745,9 +811,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -756,9 +823,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -767,9 +835,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -777,9 +846,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -787,9 +857,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -797,9 +868,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -807,9 +879,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -817,9 +890,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -828,9 +902,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -839,9 +914,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -849,6 +925,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -860,9 +937,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -872,9 +950,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -883,9 +962,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -896,9 +976,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -906,9 +987,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -918,9 +1000,10 @@ public List<IUsage> QueryUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
         [RedefinedByProperty("IEnumerationDefinition.EnumeratedValue")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -930,9 +1013,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/EnumerationUsage.cs b/SysML2.NET/Core/AutoGenPoco/EnumerationUsage.cs
index 7738fe0c..019caca3 100644
--- a/SysML2.NET/Core/AutoGenPoco/EnumerationUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/EnumerationUsage.cs
@@ -77,6 +77,7 @@ public partial class EnumerationUsage : IEnumerationUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -87,9 +88,10 @@ public partial class EnumerationUsage : IEnumerationUsage
         [Property(xmiId: "_18_5_3_12e503d9_1565471811429_523492_20975", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IEnumerationUsage.EnumerationDefinition")]
+        [Implements(implementation: "IAttributeUsage.AttributeDefinition")]
         public List<IDataType> QueryAttributeDefinition()
         {
-            throw new NotImplementedException("Derived property AttributeDefinition not yet supported");
+            return this.ComputeAttributeDefinition();
         }
 
         /// <summary>
@@ -101,9 +103,10 @@ public List<IDataType> QueryAttributeDefinition()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -113,15 +116,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -131,6 +136,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -141,9 +147,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IAttributeUsage.AttributeDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -156,9 +163,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -166,9 +174,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -177,9 +186,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -187,6 +197,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -195,9 +206,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -205,6 +217,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -212,9 +225,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -224,9 +238,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -234,9 +249,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946962858_570633_331", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1565471811429_523492_20975")]
+        [Implements(implementation: "IEnumerationUsage.EnumerationDefinition")]
         public IEnumerationDefinition QueryEnumerationDefinition()
         {
-            throw new NotImplementedException("Derived property EnumerationDefinition not yet supported");
+            return this.ComputeEnumerationDefinition();
         }
 
         /// <summary>
@@ -244,9 +260,10 @@ public IEnumerationDefinition QueryEnumerationDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -255,18 +272,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -276,9 +295,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -286,9 +306,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -296,9 +317,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -307,9 +329,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -317,9 +340,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -332,9 +356,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -342,6 +367,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -350,15 +376,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -366,12 +394,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -385,6 +415,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -395,21 +426,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -417,6 +451,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -424,9 +459,10 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624050661138_649455_27", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1624035114787_488767_41423")]
+        [Implements(implementation: "IAttributeUsage.IsReference")]
         bool Systems.Attributes.IAttributeUsage.QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -434,9 +470,10 @@ bool Systems.Attributes.IAttributeUsage.QueryIsReference()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IAttributeUsage.IsReference")]
+        [Implements(implementation: "IUsage.IsReference")]
         bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -448,12 +485,14 @@ bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -461,13 +500,16 @@ bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -480,9 +522,10 @@ bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -490,9 +533,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -500,9 +544,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -512,9 +557,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -524,9 +570,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -534,9 +581,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -544,9 +592,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -554,9 +603,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -564,9 +614,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -574,9 +625,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -584,9 +636,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -594,9 +647,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -606,9 +660,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -626,9 +682,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -636,9 +693,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -646,9 +704,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -656,9 +715,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -666,9 +726,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -676,9 +737,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -686,9 +748,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -696,9 +759,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -706,9 +770,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -716,9 +781,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -726,9 +792,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -736,9 +803,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -746,9 +814,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -757,9 +826,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -767,9 +837,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -777,9 +848,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -787,9 +859,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -797,9 +870,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -807,9 +881,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -819,9 +894,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -830,9 +906,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -841,9 +918,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -853,9 +931,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -865,9 +944,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -875,9 +955,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -886,9 +967,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -896,9 +978,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -908,9 +991,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -920,9 +1004,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -932,9 +1017,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -944,9 +1030,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -955,9 +1042,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -966,9 +1054,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -979,9 +1068,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -990,9 +1080,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1001,9 +1092,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1011,6 +1103,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1020,9 +1113,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1032,9 +1126,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1044,9 +1139,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1056,9 +1152,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1067,9 +1164,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1077,9 +1175,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1088,9 +1187,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1098,9 +1198,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1109,9 +1210,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1120,9 +1222,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1130,6 +1233,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1139,9 +1243,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1149,9 +1254,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1163,9 +1269,10 @@ public IUsage QueryOwningUsage()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1175,9 +1282,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1186,9 +1294,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1199,9 +1308,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1212,9 +1322,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1222,9 +1333,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1233,9 +1345,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1244,9 +1357,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/EventOccurrenceUsage.cs b/SysML2.NET/Core/AutoGenPoco/EventOccurrenceUsage.cs
index ae84c252..240cd34e 100644
--- a/SysML2.NET/Core/AutoGenPoco/EventOccurrenceUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/EventOccurrenceUsage.cs
@@ -83,6 +83,7 @@ public partial class EventOccurrenceUsage : IEventOccurrenceUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -94,9 +95,10 @@ public partial class EventOccurrenceUsage : IEventOccurrenceUsage
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -106,15 +108,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -124,6 +128,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -134,9 +139,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -149,9 +155,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -159,9 +166,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -170,9 +178,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -180,6 +189,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -188,9 +198,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -198,6 +209,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -205,9 +217,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -217,9 +230,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -228,9 +242,10 @@ public IType QueryEndOwningType()
         /// EventOccurrenceUsage itself.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1622831790393_676695_195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IEventOccurrenceUsage.EventOccurrence")]
         public IOccurrenceUsage QueryEventOccurrence()
         {
-            throw new NotImplementedException("Derived property EventOccurrence not yet supported");
+            return this.ComputeEventOccurrence();
         }
 
         /// <summary>
@@ -238,9 +253,10 @@ public IOccurrenceUsage QueryEventOccurrence()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -249,18 +265,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -270,9 +288,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -280,9 +299,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -290,9 +310,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -300,9 +321,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -311,9 +333,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -321,9 +344,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -336,9 +360,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -346,6 +371,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -354,15 +380,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -370,12 +398,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -389,6 +419,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -399,6 +430,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -406,21 +438,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -428,6 +463,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -435,9 +471,10 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1672526906017_786343_306", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1624035114787_488767_41423")]
+        [Implements(implementation: "IEventOccurrenceUsage.IsReference")]
         bool IEventOccurrenceUsage.QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -445,9 +482,10 @@ bool IEventOccurrenceUsage.QueryIsReference()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IEventOccurrenceUsage.IsReference")]
+        [Implements(implementation: "IUsage.IsReference")]
         bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -459,12 +497,14 @@ bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -472,13 +512,16 @@ bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -491,9 +534,10 @@ bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -501,9 +545,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -511,9 +556,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -523,9 +569,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -535,9 +582,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -545,9 +593,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -555,9 +604,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -565,9 +615,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -575,9 +626,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -585,9 +637,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -595,9 +648,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -617,9 +672,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -627,9 +683,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -637,9 +694,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -647,9 +705,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -657,9 +716,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -667,9 +727,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -677,9 +738,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -687,9 +749,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -697,9 +760,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -707,9 +771,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -717,9 +782,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -727,9 +793,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -737,9 +804,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -747,9 +815,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -757,9 +826,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -768,9 +838,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -778,9 +849,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -788,9 +860,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -798,9 +871,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -808,9 +882,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -820,9 +895,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -830,9 +906,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -842,9 +919,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -853,9 +931,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -864,9 +943,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -876,9 +956,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -888,9 +969,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -898,9 +980,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -909,9 +992,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -919,9 +1003,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -931,9 +1016,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -943,9 +1029,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -955,9 +1042,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -967,9 +1055,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -978,9 +1067,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -989,9 +1079,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1002,9 +1093,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1013,9 +1105,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1024,9 +1117,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1034,6 +1128,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1043,9 +1138,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1055,9 +1151,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1067,9 +1164,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1079,9 +1177,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1090,9 +1189,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1100,9 +1200,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1111,9 +1212,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1121,9 +1223,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1132,9 +1235,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1143,9 +1247,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1153,6 +1258,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1162,9 +1268,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1172,9 +1279,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1183,6 +1291,7 @@ public IUsage QueryOwningUsage()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1194,9 +1303,10 @@ public IUsage QueryOwningUsage()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1206,9 +1316,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1217,9 +1328,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1230,9 +1342,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1243,9 +1356,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1253,9 +1367,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1264,9 +1379,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1275,9 +1391,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ExhibitStateUsage.cs b/SysML2.NET/Core/AutoGenPoco/ExhibitStateUsage.cs
index 316f4906..6c9330fc 100644
--- a/SysML2.NET/Core/AutoGenPoco/ExhibitStateUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ExhibitStateUsage.cs
@@ -87,15 +87,17 @@ public partial class ExhibitStateUsage : IExhibitStateUsage
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
         [RedefinedByProperty("IStateUsage.StateDefinition")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -104,9 +106,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -118,9 +121,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -130,15 +134,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -148,6 +154,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -158,9 +165,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -173,9 +181,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -184,9 +193,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -195,9 +205,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -205,6 +216,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -213,9 +225,10 @@ public List<IUsage> QueryDirectedUsage()
         /// with kind = do.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1582976255473_203238_644", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IStateUsage.DoAction")]
         public IActionUsage QueryDoAction()
         {
-            throw new NotImplementedException("Derived property DoAction not yet supported");
+            return this.ComputeDoAction();
         }
 
         /// <summary>
@@ -224,9 +237,10 @@ public IActionUsage QueryDoAction()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -234,6 +248,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -241,9 +256,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -253,9 +269,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -264,9 +281,10 @@ public IType QueryEndOwningType()
         /// with kind = entry.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1582976239200_979652_605", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IStateUsage.EntryAction")]
         public IActionUsage QueryEntryAction()
         {
-            throw new NotImplementedException("Derived property EntryAction not yet supported");
+            return this.ComputeEntryAction();
         }
 
         /// <summary>
@@ -276,9 +294,10 @@ public IActionUsage QueryEntryAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1622831790393_676695_195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IPerformActionUsage.PerformedAction")]
+        [Implements(implementation: "IEventOccurrenceUsage.EventOccurrence")]
         public IOccurrenceUsage QueryEventOccurrence()
         {
-            throw new NotImplementedException("Derived property EventOccurrence not yet supported");
+            return this.ComputeEventOccurrence();
         }
 
         /// <summary>
@@ -287,9 +306,10 @@ public IOccurrenceUsage QueryEventOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1577070999039_688794_260", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1567740791820_867719_18017")]
+        [Implements(implementation: "IExhibitStateUsage.ExhibitedState")]
         public IStateUsage QueryExhibitedState()
         {
-            throw new NotImplementedException("Derived property ExhibitedState not yet supported");
+            return this.ComputeExhibitedState();
         }
 
         /// <summary>
@@ -298,9 +318,10 @@ public IStateUsage QueryExhibitedState()
         /// with kind = exit.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1582976283940_998741_691", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IStateUsage.ExitAction")]
         public IActionUsage QueryExitAction()
         {
-            throw new NotImplementedException("Derived property ExitAction not yet supported");
+            return this.ComputeExitAction();
         }
 
         /// <summary>
@@ -308,9 +329,10 @@ public IActionUsage QueryExitAction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -319,18 +341,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -340,9 +364,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -350,9 +375,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -360,9 +386,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -370,9 +397,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -381,9 +409,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -391,9 +420,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -406,9 +436,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -416,6 +447,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -424,15 +456,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -440,12 +474,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -459,6 +495,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -469,6 +506,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -476,21 +514,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -499,6 +540,7 @@ public bool QueryIsLibraryElement()
         /// false, only one nestedState may be performed at a time.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624025713025_548712_37708", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IStateUsage.IsParallel")]
         public bool IsParallel { get; set; }
 
         /// <summary>
@@ -506,6 +548,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -513,9 +556,10 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IEventOccurrenceUsage.IsReference")]
+        [Implements(implementation: "IUsage.IsReference")]
         bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -523,9 +567,10 @@ bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1672526906017_786343_306", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1624035114787_488767_41423")]
+        [Implements(implementation: "IEventOccurrenceUsage.IsReference")]
         bool Systems.Occurrences.IEventOccurrenceUsage.QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -537,12 +582,14 @@ bool Systems.Occurrences.IEventOccurrenceUsage.QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -550,13 +597,16 @@ bool Systems.Occurrences.IEventOccurrenceUsage.QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -569,9 +619,10 @@ bool Systems.Occurrences.IEventOccurrenceUsage.QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -579,9 +630,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -589,9 +641,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -601,9 +654,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -613,9 +667,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -623,9 +678,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -633,9 +689,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -643,9 +700,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -653,9 +711,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -663,9 +722,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -673,9 +733,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -683,9 +744,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -695,9 +757,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -705,9 +768,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -715,9 +779,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -725,9 +790,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -735,9 +801,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -745,9 +812,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -755,9 +823,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -765,9 +834,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -775,9 +845,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -785,9 +856,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -795,9 +867,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -805,9 +878,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -815,9 +889,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -825,9 +900,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -835,9 +911,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -846,9 +923,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -856,9 +934,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -866,9 +945,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -876,9 +956,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -886,9 +967,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -899,9 +981,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -909,9 +992,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -921,9 +1005,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -932,9 +1017,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -943,9 +1029,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -955,9 +1042,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -967,9 +1055,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -977,9 +1066,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -988,9 +1078,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -998,9 +1089,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -1010,9 +1102,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -1022,9 +1115,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1034,9 +1128,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1046,9 +1141,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1057,9 +1153,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1068,9 +1165,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1081,9 +1179,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1092,9 +1191,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1103,9 +1203,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1113,6 +1214,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1122,9 +1224,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1134,9 +1237,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1146,9 +1250,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1158,9 +1263,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1169,9 +1275,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1179,9 +1286,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1190,9 +1298,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1200,9 +1309,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1211,9 +1321,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1222,9 +1333,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1232,6 +1344,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1241,9 +1354,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1251,9 +1365,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1262,9 +1377,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1274,9 +1390,10 @@ public List<IFeature> QueryParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1567740791820_867719_18017", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1622831790393_676695_195")]
         [RedefinedByProperty("IExhibitStateUsage.ExhibitedState")]
+        [Implements(implementation: "IPerformActionUsage.PerformedAction")]
         public IActionUsage QueryPerformedAction()
         {
-            throw new NotImplementedException("Derived property PerformedAction not yet supported");
+            return this.ComputePerformedAction();
         }
 
         /// <summary>
@@ -1285,6 +1402,7 @@ public IActionUsage QueryPerformedAction()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1296,9 +1414,10 @@ public IActionUsage QueryPerformedAction()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1308,9 +1427,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1319,9 +1439,10 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575588456737_49200_1438", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1565500905804_589845_30779")]
+        [Implements(implementation: "IStateUsage.StateDefinition")]
         public List<IBehavior> QueryStateDefinition()
         {
-            throw new NotImplementedException("Derived property StateDefinition not yet supported");
+            return this.ComputeStateDefinition();
         }
 
         /// <summary>
@@ -1330,9 +1451,10 @@ public List<IBehavior> QueryStateDefinition()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1343,9 +1465,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1356,9 +1479,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1366,9 +1490,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1377,9 +1502,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1388,9 +1514,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Expose.cs b/SysML2.NET/Core/AutoGenPoco/Expose.cs
index 0eafe745..c526bb07 100644
--- a/SysML2.NET/Core/AutoGenPoco/Expose.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Expose.cs
@@ -53,12 +53,14 @@ public partial class Expose : IExpose
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -68,6 +70,7 @@ public partial class Expose : IExpose
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -76,9 +79,10 @@ public partial class Expose : IExpose
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -86,6 +90,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -93,9 +98,10 @@ public List<IDocumentation> QueryDocumentation()
         /// of the importedMembership. For a NamespaceImport, it is the importedNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1668801846848_909736_64", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IImport.ImportedElement")]
         public IElement QueryImportedElement()
         {
-            throw new NotImplementedException("Derived property ImportedElement not yet supported");
+            return this.ComputeImportedElement();
         }
 
         /// <summary>
@@ -105,9 +111,10 @@ public IElement QueryImportedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_548878_43248", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IImport.ImportOwningNamespace")]
         public INamespace QueryImportOwningNamespace()
         {
-            throw new NotImplementedException("Derived property ImportOwningNamespace not yet supported");
+            return this.ComputeImportOwningNamespace();
         }
 
         /// <summary>
@@ -115,6 +122,7 @@ public INamespace QueryImportOwningNamespace()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -125,6 +133,7 @@ public INamespace QueryImportOwningNamespace()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -132,27 +141,32 @@ public INamespace QueryImportOwningNamespace()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1622578615027_762161_80", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1622577942205_869984_64")]
+        [Implements(implementation: "IExpose.IsImportAll")]
         bool IExpose.IsImportAll { get; set; }
 
         /// <summary>
         /// Whether to import memberships without regard to declared visibility.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1622577942205_869984_64", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IExpose.IsImportAll")] bool Root.Namespaces.IImport.IsImportAll { get; set; }
+        [RedefinedByProperty("IExpose.IsImportAll")]
+        [Implements(implementation: "IImport.IsImportAll")]
+        bool Root.Namespaces.IImport.IsImportAll { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether to recursively import Memberships from visible, owned sub-Namespaces.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1605759116711_596237_5033", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IImport.IsRecursive")]
         public bool IsRecursive { get; set; }
 
         /// <summary>
@@ -162,9 +176,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -174,9 +189,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -184,9 +200,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -194,6 +211,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -201,6 +219,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -208,9 +227,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -219,9 +239,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -230,9 +251,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -240,6 +262,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -247,6 +270,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -258,9 +282,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -268,9 +293,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -280,9 +306,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -290,13 +317,16 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IImport.ImportOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IImport.ImportOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.Target")]
         public List<IElement> Target { get; set; }
 
         /// <summary>
@@ -305,9 +335,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -315,6 +346,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1720469034555_222060_1140", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "protected")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674976_798509_43257")]
+        [Implements(implementation: "IExpose.Visibility")]
         VisibilityKind IExpose.Visibility { get; set; }
 
         /// <summary>
@@ -322,7 +354,9 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// The default is private.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674976_798509_43257", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "private")]
-        [RedefinedByProperty("IExpose.Visibility")] VisibilityKind Root.Namespaces.IImport.Visibility { get; set; }
+        [RedefinedByProperty("IExpose.Visibility")]
+        [Implements(implementation: "IImport.Visibility")]
+        VisibilityKind Root.Namespaces.IImport.Visibility { get; set; }
 
     }
 }
diff --git a/SysML2.NET/Core/AutoGenPoco/Expression.cs b/SysML2.NET/Core/AutoGenPoco/Expression.cs
index bfd706be..5b6b074a 100644
--- a/SysML2.NET/Core/AutoGenPoco/Expression.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Expression.cs
@@ -59,6 +59,7 @@ public partial class Expression : IExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -67,9 +68,10 @@ public partial class Expression : IExpression
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -81,9 +83,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -93,15 +96,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -111,6 +116,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -123,9 +129,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -134,9 +141,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -144,6 +152,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -152,9 +161,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -162,6 +172,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -169,9 +180,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -181,9 +193,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -191,9 +204,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -202,18 +216,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -223,9 +239,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -233,9 +250,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -243,9 +261,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -253,9 +272,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -264,9 +284,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -274,9 +295,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -289,9 +311,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -299,6 +322,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -307,15 +331,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -323,12 +349,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -342,6 +370,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -352,15 +381,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -368,15 +399,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -384,6 +417,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -395,12 +429,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -408,6 +444,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -415,9 +452,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -425,9 +463,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -437,9 +476,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -449,9 +489,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -459,9 +500,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -471,9 +513,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -482,9 +525,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -493,9 +537,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -505,9 +550,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -517,9 +563,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -527,9 +574,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -538,9 +586,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -548,9 +597,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -560,9 +610,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -572,9 +623,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -584,9 +636,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -596,9 +649,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -607,9 +661,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -618,9 +673,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -631,9 +687,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -642,9 +699,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -653,9 +711,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -663,6 +722,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -672,9 +732,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -684,9 +745,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -696,9 +758,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -708,9 +771,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -719,9 +783,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -729,9 +794,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -739,9 +805,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -750,9 +817,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -761,9 +829,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -771,6 +840,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -780,9 +850,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -791,9 +862,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -805,9 +877,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -818,9 +891,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -830,9 +904,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -841,9 +916,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -853,9 +929,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -866,9 +943,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Feature.cs b/SysML2.NET/Core/AutoGenPoco/Feature.cs
index b8e0e1cb..c9c3f513 100644
--- a/SysML2.NET/Core/AutoGenPoco/Feature.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Feature.cs
@@ -67,6 +67,7 @@ public partial class Feature : IFeature
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -78,9 +79,10 @@ public partial class Feature : IFeature
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -90,15 +92,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -108,6 +112,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -120,9 +125,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -130,9 +136,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -140,6 +147,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -148,9 +156,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -158,6 +167,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -165,9 +175,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -177,9 +188,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -187,9 +199,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -198,18 +211,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -219,9 +234,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -229,9 +245,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -239,9 +256,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -250,9 +268,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -260,9 +279,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -275,9 +295,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -285,6 +306,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -293,15 +315,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -309,12 +333,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -328,6 +354,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -338,21 +365,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -360,6 +390,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -371,12 +402,14 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -384,6 +417,7 @@ public bool QueryIsLibraryElement()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -391,9 +425,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -401,9 +436,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -413,9 +449,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -425,9 +462,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -435,9 +473,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -447,9 +486,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -458,9 +498,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -469,9 +510,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -481,9 +523,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -493,9 +536,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -503,9 +547,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -514,9 +559,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -524,9 +570,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -536,9 +583,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -548,9 +596,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -560,9 +609,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -572,9 +622,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -583,9 +634,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -594,9 +646,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -607,9 +660,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -618,9 +672,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -629,9 +684,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -639,6 +695,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -648,9 +705,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -660,9 +718,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -672,9 +731,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -684,9 +744,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -695,9 +756,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -705,9 +767,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -715,9 +778,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -726,9 +790,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -737,9 +802,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -747,6 +813,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -756,9 +823,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -770,9 +838,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -782,9 +851,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -793,9 +863,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -805,9 +876,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -818,9 +890,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/FeatureChainExpression.cs b/SysML2.NET/Core/AutoGenPoco/FeatureChainExpression.cs
index 25ef6212..a75a4781 100644
--- a/SysML2.NET/Core/AutoGenPoco/FeatureChainExpression.cs
+++ b/SysML2.NET/Core/AutoGenPoco/FeatureChainExpression.cs
@@ -58,6 +58,7 @@ public partial class FeatureChainExpression : IFeatureChainExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -67,9 +68,10 @@ public partial class FeatureChainExpression : IFeatureChainExpression
         /// InstantiationExpression.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134437590_328753_108", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IInstantiationExpression.Argument")]
         public List<IExpression> QueryArgument()
         {
-            throw new NotImplementedException("Derived property Argument not yet supported");
+            return this.ComputeArgument();
         }
 
         /// <summary>
@@ -78,9 +80,10 @@ public List<IExpression> QueryArgument()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -92,9 +95,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -104,15 +108,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -122,6 +128,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -134,9 +141,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -145,9 +153,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -155,6 +164,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -163,9 +173,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -173,6 +184,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -180,9 +192,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -192,9 +205,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -202,9 +216,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -213,18 +228,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -234,9 +251,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -244,9 +262,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -254,9 +273,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -264,9 +284,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -275,9 +296,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -285,9 +307,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -295,9 +318,10 @@ public List<IFeature> QueryInput()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134352572_416088_80", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IInstantiationExpression.InstantiatedType")]
         public IType QueryInstantiatedType()
         {
-            throw new NotImplementedException("Derived property InstantiatedType not yet supported");
+            return this.ComputeInstantiatedType();
         }
 
         /// <summary>
@@ -310,9 +334,10 @@ public IType QueryInstantiatedType()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -320,6 +345,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -328,15 +354,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -344,12 +372,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -363,6 +393,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -373,15 +404,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -389,15 +422,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -405,6 +440,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -416,12 +452,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -429,6 +467,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -436,9 +475,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -446,9 +486,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -458,9 +499,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -470,15 +512,17 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1645049784007_509459_41", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: ".")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1557528808100_646606_111674")]
+        [Implements(implementation: "IFeatureChainExpression.Operator")]
         string IFeatureChainExpression.Operator { get; set; }
 
         /// <summary>
@@ -486,16 +530,19 @@ public string QueryName()
         /// Kernel Function Library .
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1557528808100_646606_111674", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IFeatureChainExpression.Operator")] string IOperatorExpression.Operator { get; set; }
+        [RedefinedByProperty("IFeatureChainExpression.Operator")]
+        [Implements(implementation: "IOperatorExpression.Operator")]
+        string IOperatorExpression.Operator { get; set; }
 
         /// <summary>
         /// All features related to this Type by FeatureMemberships that have direction out or inout.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -505,9 +552,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -516,9 +564,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -527,9 +576,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -539,9 +589,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -551,9 +602,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -561,9 +613,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -572,9 +625,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -582,9 +636,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -594,9 +649,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -606,9 +662,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -618,9 +675,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -630,9 +688,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -641,9 +700,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -652,9 +712,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -665,9 +726,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -676,9 +738,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -687,9 +750,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -697,6 +761,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -706,9 +771,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -718,9 +784,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -730,9 +797,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -742,9 +810,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -753,9 +822,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -763,9 +833,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -773,9 +844,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -784,9 +856,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -795,9 +868,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -805,6 +879,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -814,9 +889,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -825,9 +901,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -839,9 +916,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -852,9 +930,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -864,9 +943,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -875,9 +955,10 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1645049897369_762611_49", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IFeatureChainExpression.TargetFeature")]
         public IFeature QueryTargetFeature()
         {
-            throw new NotImplementedException("Derived property TargetFeature not yet supported");
+            return this.ComputeTargetFeature();
         }
 
         /// <summary>
@@ -886,9 +967,10 @@ public IFeature QueryTargetFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -898,9 +980,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -911,9 +994,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/FeatureChaining.cs b/SysML2.NET/Core/AutoGenPoco/FeatureChaining.cs
index eb409523..21ae2b26 100644
--- a/SysML2.NET/Core/AutoGenPoco/FeatureChaining.cs
+++ b/SysML2.NET/Core/AutoGenPoco/FeatureChaining.cs
@@ -52,6 +52,7 @@ public partial class FeatureChaining : IFeatureChaining
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -60,12 +61,14 @@ public partial class FeatureChaining : IFeatureChaining
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1622125799011_772669_117", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IFeatureChaining.ChainingFeature")]
         public IFeature ChainingFeature { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -75,6 +78,7 @@ public partial class FeatureChaining : IFeatureChaining
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -83,9 +87,10 @@ public partial class FeatureChaining : IFeatureChaining
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -93,6 +98,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -102,9 +108,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_897608_73", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IFeatureChaining.FeatureChained")]
         public IFeature QueryFeatureChained()
         {
-            throw new NotImplementedException("Derived property FeatureChained not yet supported");
+            return this.ComputeFeatureChained();
         }
 
         /// <summary>
@@ -112,6 +119,7 @@ public IFeature QueryFeatureChained()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -122,15 +130,17 @@ public IFeature QueryFeatureChained()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -140,9 +150,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -152,9 +163,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -162,9 +174,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -172,6 +185,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -179,6 +193,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -186,9 +201,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -197,9 +213,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -208,9 +225,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -218,6 +236,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -225,6 +244,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -236,9 +256,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -246,9 +267,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -258,9 +280,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -268,14 +291,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IFeatureChaining.FeatureChained")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IFeatureChaining.FeatureChained")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IFeatureChaining.ChainingFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IFeatureChaining.ChainingFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -283,9 +310,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/FeatureInverting.cs b/SysML2.NET/Core/AutoGenPoco/FeatureInverting.cs
index f793048f..3e929d12 100644
--- a/SysML2.NET/Core/AutoGenPoco/FeatureInverting.cs
+++ b/SysML2.NET/Core/AutoGenPoco/FeatureInverting.cs
@@ -55,12 +55,14 @@ public partial class FeatureInverting : IFeatureInverting
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -70,6 +72,7 @@ public partial class FeatureInverting : IFeatureInverting
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -78,9 +81,10 @@ public partial class FeatureInverting : IFeatureInverting
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -88,6 +92,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -95,6 +100,7 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1623178838862_842173_146", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IFeatureInverting.FeatureInverted")]
         public IFeature FeatureInverted { get; set; }
 
         /// <summary>
@@ -102,6 +108,7 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1623178854941_627588_162", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IFeatureInverting.InvertingFeature")]
         public IFeature InvertingFeature { get; set; }
 
         /// <summary>
@@ -109,6 +116,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -119,15 +127,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -137,9 +147,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -149,9 +160,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -159,9 +171,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -169,6 +182,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -176,6 +190,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -183,9 +198,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -194,9 +210,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_122613_44", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838862_842173_146")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
+        [Implements(implementation: "IFeatureInverting.OwningFeature")]
         public IFeature QueryOwningFeature()
         {
-            throw new NotImplementedException("Derived property OwningFeature not yet supported");
+            return this.ComputeOwningFeature();
         }
 
         /// <summary>
@@ -205,9 +222,10 @@ public IFeature QueryOwningFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -216,9 +234,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -226,6 +245,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -233,6 +253,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -244,9 +265,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -254,9 +276,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -266,9 +289,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -276,14 +300,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IFeatureInverting.FeatureInverted")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IFeatureInverting.FeatureInverted")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IFeatureInverting.InvertingFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IFeatureInverting.InvertingFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -291,9 +319,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/FeatureMembership.cs b/SysML2.NET/Core/AutoGenPoco/FeatureMembership.cs
index eb7545d5..fe04bb51 100644
--- a/SysML2.NET/Core/AutoGenPoco/FeatureMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/FeatureMembership.cs
@@ -57,12 +57,14 @@ public partial class FeatureMembership : IFeatureMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -72,6 +74,7 @@ public partial class FeatureMembership : IFeatureMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -80,9 +83,10 @@ public partial class FeatureMembership : IFeatureMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -90,6 +94,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -97,6 +102,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -107,15 +113,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -123,23 +131,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -149,16 +162,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -167,9 +183,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -179,9 +196,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -189,9 +207,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -202,9 +221,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -212,9 +232,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -223,9 +244,10 @@ public string QueryOwnedMemberElementId()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         public IFeature QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -233,9 +255,10 @@ public IFeature QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -243,9 +266,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -253,6 +277,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -260,6 +285,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -267,9 +293,10 @@ public string QueryOwnedMemberShortName()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -278,9 +305,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -289,9 +317,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -299,6 +328,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -306,6 +336,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -314,9 +345,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -328,9 +360,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -338,9 +371,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -350,9 +384,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -360,14 +395,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -375,9 +414,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -385,6 +425,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/FeatureReferenceExpression.cs b/SysML2.NET/Core/AutoGenPoco/FeatureReferenceExpression.cs
index 0b193fe6..03ce079e 100644
--- a/SysML2.NET/Core/AutoGenPoco/FeatureReferenceExpression.cs
+++ b/SysML2.NET/Core/AutoGenPoco/FeatureReferenceExpression.cs
@@ -56,6 +56,7 @@ public partial class FeatureReferenceExpression : IFeatureReferenceExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -64,9 +65,10 @@ public partial class FeatureReferenceExpression : IFeatureReferenceExpression
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -78,9 +80,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -90,15 +93,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -108,6 +113,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -120,9 +126,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -131,9 +138,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -141,6 +149,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -149,9 +158,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -159,6 +169,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -166,9 +177,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -178,9 +190,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -188,9 +201,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -199,18 +213,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -220,9 +236,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -230,9 +247,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -240,9 +258,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -250,9 +269,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -261,9 +281,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -271,9 +292,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -286,9 +308,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -296,6 +319,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -304,15 +328,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -320,12 +346,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -339,6 +367,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -349,15 +378,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -365,15 +396,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -381,6 +414,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -392,12 +426,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -405,6 +441,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -412,9 +449,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -422,9 +460,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -434,9 +473,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -446,9 +486,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -456,9 +497,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -468,9 +510,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -479,9 +522,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -490,9 +534,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -502,9 +547,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -514,9 +560,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -524,9 +571,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -535,9 +583,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -545,9 +594,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -557,9 +607,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -569,9 +620,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -581,9 +633,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -593,9 +646,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -604,9 +658,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -615,9 +670,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -628,9 +684,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -639,9 +696,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -650,9 +708,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -660,6 +719,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -669,9 +729,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -681,9 +742,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -693,9 +755,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -705,9 +768,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -716,9 +780,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -726,9 +791,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -736,9 +802,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -747,9 +814,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -758,9 +826,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -768,6 +837,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -777,9 +847,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -788,9 +859,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -802,9 +874,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -813,9 +886,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_848357_43185", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IFeatureReferenceExpression.Referent")]
         public IFeature QueryReferent()
         {
-            throw new NotImplementedException("Derived property Referent not yet supported");
+            return this.ComputeReferent();
         }
 
         /// <summary>
@@ -826,9 +900,10 @@ public IFeature QueryReferent()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -838,9 +913,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -849,9 +925,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -861,9 +938,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -874,9 +952,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/FeatureTyping.cs b/SysML2.NET/Core/AutoGenPoco/FeatureTyping.cs
index 5553dd4e..e5f55b11 100644
--- a/SysML2.NET/Core/AutoGenPoco/FeatureTyping.cs
+++ b/SysML2.NET/Core/AutoGenPoco/FeatureTyping.cs
@@ -55,12 +55,14 @@ public partial class FeatureTyping : IFeatureTyping
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -70,6 +72,7 @@ public partial class FeatureTyping : IFeatureTyping
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -78,9 +81,10 @@ public partial class FeatureTyping : IFeatureTyping
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -88,6 +92,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -95,13 +100,16 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674980_563969_43273", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IFeatureTyping.Type")] public IType General { get; set; }
+        [RedefinedByProperty("IFeatureTyping.Type")]
+        [Implements(implementation: "ISpecialization.General")]
+        public IType General { get; set; }
 
         /// <summary>
         /// Whether this Relationship was generated by tooling to meet semantic rules, rather than being
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -112,15 +120,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -130,9 +140,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -142,9 +153,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -152,9 +164,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -162,6 +175,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -169,6 +183,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -176,9 +191,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -187,9 +203,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427753_801746_43", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_13273_21101")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_573157_43226")]
+        [Implements(implementation: "IFeatureTyping.OwningFeature")]
         public IFeature QueryOwningFeature()
         {
-            throw new NotImplementedException("Derived property OwningFeature not yet supported");
+            return this.ComputeOwningFeature();
         }
 
         /// <summary>
@@ -198,9 +215,10 @@ public IFeature QueryOwningFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -209,9 +227,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -219,6 +238,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -226,6 +246,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -235,9 +256,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
         [RedefinedByProperty("IFeatureTyping.OwningFeature")]
+        [Implements(implementation: "ISpecialization.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -249,9 +271,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -259,9 +282,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -271,9 +295,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -281,21 +306,27 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.Specific")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("ISpecialization.Specific")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// A Type with a subset of all instances of the general Type, which might be the same set.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674982_253967_43281", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
-        [RedefinedByProperty("IFeatureTyping.TypedFeature")] public IType Specific { get; set; }
+        [RedefinedByProperty("IFeatureTyping.TypedFeature")]
+        [Implements(implementation: "ISpecialization.Specific")]
+        public IType Specific { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.General")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("ISpecialization.General")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -303,9 +334,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -313,6 +345,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543180520185_480887_21131", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_563969_43273")]
+        [Implements(implementation: "IFeatureTyping.Type")]
         public IType Type { get; set; }
 
         /// <summary>
@@ -320,6 +353,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543180501615_13273_21101", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
+        [Implements(implementation: "IFeatureTyping.TypedFeature")]
         public IFeature TypedFeature { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/FeatureValue.cs b/SysML2.NET/Core/AutoGenPoco/FeatureValue.cs
index a1505edf..a5091031 100644
--- a/SysML2.NET/Core/AutoGenPoco/FeatureValue.cs
+++ b/SysML2.NET/Core/AutoGenPoco/FeatureValue.cs
@@ -63,12 +63,14 @@ public partial class FeatureValue : IFeatureValue
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -78,6 +80,7 @@ public partial class FeatureValue : IFeatureValue
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -86,9 +89,10 @@ public partial class FeatureValue : IFeatureValue
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -96,6 +100,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -103,9 +108,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573079011690_119762_1724", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureValue.FeatureWithValue")]
         public IFeature QueryFeatureWithValue()
         {
-            throw new NotImplementedException("Derived property FeatureWithValue not yet supported");
+            return this.ComputeFeatureWithValue();
         }
 
         /// <summary>
@@ -113,6 +119,7 @@ public IFeature QueryFeatureWithValue()
         /// featureWithValue, or just a default value that may be overridden.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623940132054_842266_36467", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeatureValue.IsDefault")]
         public bool IsDefault { get; set; }
 
         /// <summary>
@@ -120,6 +127,7 @@ public IFeature QueryFeatureWithValue()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -130,21 +138,24 @@ public IFeature QueryFeatureWithValue()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this FeatureValue specifies a bound value or an initial value for the featureWithValue.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623940148216_422105_36473", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeatureValue.IsInitial")]
         public bool IsInitial { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -152,23 +163,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -177,16 +193,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_531296_43182")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -195,9 +214,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -207,9 +227,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -217,9 +238,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -230,9 +252,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureValue.Value")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -240,9 +263,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -250,9 +274,10 @@ public string QueryOwnedMemberElementId()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -260,9 +285,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -270,6 +296,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -277,6 +304,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -284,9 +312,10 @@ public string QueryOwnedMemberShortName()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -295,9 +324,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -306,9 +336,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -316,6 +347,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -323,6 +355,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -334,9 +367,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -344,9 +378,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -356,9 +391,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -366,14 +402,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -381,9 +421,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -391,9 +432,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573081851611_231043_3236", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
+        [Implements(implementation: "IFeatureValue.Value")]
         public IExpression QueryValue()
         {
-            throw new NotImplementedException("Derived property Value not yet supported");
+            return this.ComputeValue();
         }
 
         /// <summary>
@@ -401,6 +443,7 @@ public IExpression QueryValue()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Flow.cs b/SysML2.NET/Core/AutoGenPoco/Flow.cs
index 4b544c61..91ebb2b4 100644
--- a/SysML2.NET/Core/AutoGenPoco/Flow.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Flow.cs
@@ -59,6 +59,7 @@ public partial class Flow : IFlow
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -67,9 +68,10 @@ public partial class Flow : IFlow
         [Property(xmiId: "_18_5_3_12e503d9_1533160674983_471497_43284", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IFlow.Interaction")]
+        [Implements(implementation: "IConnector.Association")]
         public List<IAssociation> QueryAssociation()
         {
-            throw new NotImplementedException("Derived property Association not yet supported");
+            return this.ComputeAssociation();
         }
 
         /// <summary>
@@ -78,9 +80,10 @@ public List<IAssociation> QueryAssociation()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IFlow.Interaction")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -92,9 +95,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -104,9 +108,10 @@ public List<IFeature> QueryChainingFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1556735067666_827798_21922", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IConnector.ConnectorEnd")]
         public List<IFeature> QueryConnectorEnd()
         {
-            throw new NotImplementedException("Derived property ConnectorEnd not yet supported");
+            return this.ComputeConnectorEnd();
         }
 
         /// <summary>
@@ -116,15 +121,17 @@ public List<IFeature> QueryConnectorEnd()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -134,6 +141,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -142,9 +150,10 @@ public IFeature QueryCrossFeature()
         /// checkConnectorTypeFeaturing constraint.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737751598145_444042_71", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IConnector.DefaultFeaturingType")]
         public IType QueryDefaultFeaturingType()
         {
-            throw new NotImplementedException("Derived property DefaultFeaturingType not yet supported");
+            return this.ComputeDefaultFeaturingType();
         }
 
         /// <summary>
@@ -157,9 +166,10 @@ public IType QueryDefaultFeaturingType()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -168,9 +178,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -178,6 +189,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -186,9 +198,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -196,6 +209,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -204,9 +218,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IConnector.ConnectorEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -216,9 +231,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -226,9 +242,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -237,18 +254,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -258,9 +277,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -268,9 +288,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1563219311176_506548_20966", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 2, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1556735067666_827798_21922")]
+        [Implements(implementation: "IFlow.FlowEnd")]
         public List<IFlowEnd> QueryFlowEnd()
         {
-            throw new NotImplementedException("Derived property FlowEnd not yet supported");
+            return this.ComputeFlowEnd();
         }
 
         /// <summary>
@@ -278,9 +299,10 @@ public List<IFlowEnd> QueryFlowEnd()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -288,9 +310,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -299,9 +322,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -309,9 +333,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -321,9 +346,10 @@ public List<IFeature> QueryInput()
         [Property(xmiId: "_19_0_4_12e503d9_1661900477937_518125_727", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674983_471497_43284")]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IFlow.Interaction")]
         public List<IInteraction> QueryInteraction()
         {
-            throw new NotImplementedException("Derived property Interaction not yet supported");
+            return this.ComputeInteraction();
         }
 
         /// <summary>
@@ -336,9 +362,10 @@ public List<IInteraction> QueryInteraction()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -346,6 +373,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -354,15 +382,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -370,12 +400,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -389,6 +421,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -396,6 +429,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -406,21 +440,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -428,6 +465,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -439,12 +477,14 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -452,6 +492,7 @@ public bool QueryIsLibraryElement()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -459,9 +500,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -469,9 +511,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -481,9 +524,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -493,9 +537,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -503,9 +548,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -515,9 +561,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -526,9 +573,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -537,9 +585,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -549,9 +598,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -561,9 +611,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -571,9 +622,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -582,9 +634,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -592,9 +645,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -604,9 +658,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -628,9 +684,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -651,9 +709,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -662,9 +721,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -675,9 +735,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -686,9 +747,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -697,9 +759,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -707,6 +770,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -714,6 +778,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -723,9 +788,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -735,9 +801,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -747,9 +814,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -759,9 +827,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -770,9 +839,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -780,9 +850,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -790,9 +861,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -801,9 +873,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -812,9 +885,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -822,6 +896,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -829,6 +904,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -838,9 +914,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -849,9 +926,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -859,18 +937,20 @@ public List<IFeature> QueryParameter()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1563219424870_347345_21142", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IFlow.PayloadFeature")]
         public IPayloadFeature QueryPayloadFeature()
         {
-            throw new NotImplementedException("Derived property PayloadFeature not yet supported");
+            return this.ComputePayloadFeature();
         }
 
         /// <summary>
         /// The type of values transferred, which is the type of the payloadFeature of the Flow.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536870569046_1672_18020", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFlow.PayloadType")]
         public List<IClassifier> QueryPayloadType()
         {
-            throw new NotImplementedException("Derived property PayloadType not yet supported");
+            return this.ComputePayloadType();
         }
 
         /// <summary>
@@ -882,9 +962,10 @@ public List<IClassifier> QueryPayloadType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -893,9 +974,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IConnector.RelatedFeature")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -904,9 +986,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_916334_43210", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IConnector.RelatedFeature")]
         public List<IFeature> QueryRelatedFeature()
         {
-            throw new NotImplementedException("Derived property RelatedFeature not yet supported");
+            return this.ComputeRelatedFeature();
         }
 
         /// <summary>
@@ -916,9 +999,10 @@ public List<IFeature> QueryRelatedFeature()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -926,7 +1010,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.SourceFeature")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConnector.SourceFeature")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedFeature for this Connector. It is the first relatedFeature.
@@ -934,9 +1020,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594953058873_558253_3897", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConnector.SourceFeature")]
         public IFeature QuerySourceFeature()
         {
-            throw new NotImplementedException("Derived property SourceFeature not yet supported");
+            return this.ComputeSourceFeature();
         }
 
         /// <summary>
@@ -944,9 +1031,10 @@ public IFeature QuerySourceFeature()
         /// Flow.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536870707078_57525_18088", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFlow.SourceOutputFeature")]
         public IFeature QuerySourceOutputFeature()
         {
-            throw new NotImplementedException("Derived property SourceOutputFeature not yet supported");
+            return this.ComputeSourceOutputFeature();
         }
 
         /// <summary>
@@ -954,7 +1042,9 @@ public IFeature QuerySourceOutputFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.TargetFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConnector.TargetFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedFeatures for this Connector. This includes all the relatedFeatures other than the
@@ -963,9 +1053,10 @@ public IFeature QuerySourceOutputFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594953128207_991867_3946", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IConnector.TargetFeature")]
         public List<IFeature> QueryTargetFeature()
         {
-            throw new NotImplementedException("Derived property TargetFeature not yet supported");
+            return this.ComputeTargetFeature();
         }
 
         /// <summary>
@@ -973,9 +1064,10 @@ public List<IFeature> QueryTargetFeature()
         /// Flow.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536870573474_966268_18041", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFlow.TargetInputFeature")]
         public IFeature QueryTargetInputFeature()
         {
-            throw new NotImplementedException("Derived property TargetInputFeature not yet supported");
+            return this.ComputeTargetInputFeature();
         }
 
         /// <summary>
@@ -984,9 +1076,10 @@ public IFeature QueryTargetInputFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -997,9 +1090,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IConnector.Association")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1010,9 +1104,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/FlowDefinition.cs b/SysML2.NET/Core/AutoGenPoco/FlowDefinition.cs
index 45ea34f5..19a674af 100644
--- a/SysML2.NET/Core/AutoGenPoco/FlowDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/FlowDefinition.cs
@@ -31,6 +31,7 @@ namespace SysML2.NET.Core.POCO.Systems.Flows
     using SysML2.NET.Core.POCO.Core.Classifiers;
     using SysML2.NET.Core.POCO.Core.Features;
     using SysML2.NET.Core.POCO.Core.Types;
+    using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Kernel.Behaviors;
     using SysML2.NET.Core.POCO.Kernel.Interactions;
     using SysML2.NET.Core.POCO.Root.Annotations;
@@ -81,15 +82,17 @@ public partial class FlowDefinition : IFlowDefinition
         [Property(xmiId: "_18_5_3_12e503d9_1565500809065_170841_30688", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IActionDefinition.Action")]
         public List<IActionUsage> QueryAction()
         {
-            throw new NotImplementedException("Derived property Action not yet supported");
+            return this.ComputeAction();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -100,15 +103,17 @@ public List<IActionUsage> QueryAction()
         [Property(xmiId: "_18_5_3_12e503d9_1562477648742_24204_22901", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [RedefinedByProperty("IFlowDefinition.FlowEnd")]
+        [Implements(implementation: "IAssociation.AssociationEnd")]
         public List<IFeature> QueryAssociationEnd()
         {
-            throw new NotImplementedException("Derived property AssociationEnd not yet supported");
+            return this.ComputeAssociationEnd();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -118,6 +123,7 @@ public List<IFeature> QueryAssociationEnd()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -130,9 +136,10 @@ public List<IFeature> QueryAssociationEnd()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -141,9 +148,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -152,9 +160,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -163,9 +172,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -173,6 +183,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -181,9 +192,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IAssociation.AssociationEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -191,9 +203,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -202,9 +215,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -212,9 +226,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1733008492358_136366_19515", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562477648742_24204_22901")]
+        [Implements(implementation: "IFlowDefinition.FlowEnd")]
         public List<IUsage> QueryFlowEnd()
         {
-            throw new NotImplementedException("Derived property FlowEnd not yet supported");
+            return this.ComputeFlowEnd();
         }
 
         /// <summary>
@@ -222,9 +237,10 @@ public List<IUsage> QueryFlowEnd()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -232,9 +248,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -243,9 +260,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -253,9 +271,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -268,9 +287,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -278,15 +298,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -294,6 +316,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -304,21 +327,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -330,6 +356,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -337,6 +364,7 @@ public bool QueryIsLibraryElement()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -344,9 +372,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -354,9 +383,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -366,9 +396,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -378,9 +409,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -388,9 +420,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -398,9 +431,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -408,9 +442,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -418,9 +453,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -430,9 +466,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -440,9 +477,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -450,9 +488,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -460,9 +499,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -470,9 +510,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -481,9 +522,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -493,9 +535,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -503,9 +546,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -515,9 +559,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -527,9 +572,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -537,9 +583,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -548,9 +595,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -558,9 +606,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -568,9 +617,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -580,9 +630,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -590,9 +641,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -602,9 +654,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -612,9 +665,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -623,9 +677,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -633,9 +688,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -644,9 +700,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -657,9 +714,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -667,9 +725,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -677,9 +736,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -687,9 +747,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -697,9 +758,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -707,9 +769,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -717,6 +780,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -724,6 +788,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -731,9 +796,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -741,9 +807,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -753,9 +820,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -763,9 +831,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -774,9 +843,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -784,9 +854,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -795,9 +866,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -806,9 +878,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -816,9 +889,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -826,9 +900,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -836,9 +911,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -846,9 +922,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -856,9 +933,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -867,9 +945,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -878,9 +957,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -888,6 +968,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -895,6 +976,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -903,9 +985,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -917,9 +1000,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -928,9 +1012,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IAssociation.RelatedType")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -939,9 +1024,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_4339_43349", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IAssociation.RelatedType")]
         public List<IType> QueryRelatedType()
         {
-            throw new NotImplementedException("Derived property RelatedType not yet supported");
+            return this.ComputeRelatedType();
         }
 
         /// <summary>
@@ -951,9 +1037,10 @@ public List<IType> QueryRelatedType()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -961,7 +1048,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.SourceType")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IAssociation.SourceType")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedType for this Association. It is the first relatedType of the Association.
@@ -969,9 +1058,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594939013292_377668_3566", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IAssociation.SourceType")]
         public IType QuerySourceType()
         {
-            throw new NotImplementedException("Derived property SourceType not yet supported");
+            return this.ComputeSourceType();
         }
 
         /// <summary>
@@ -979,9 +1069,10 @@ public IType QuerySourceType()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -989,7 +1080,9 @@ public List<IStep> QueryStep()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.TargetType")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IAssociation.TargetType")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedTypes for this Association. This includes all the relatedTypes other than the
@@ -998,9 +1091,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1594939237325_861933_3707", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IAssociation.TargetType")]
         public List<IType> QueryTargetType()
         {
-            throw new NotImplementedException("Derived property TargetType not yet supported");
+            return this.ComputeTargetType();
         }
 
         /// <summary>
@@ -1009,9 +1103,10 @@ public List<IType> QueryTargetType()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1022,9 +1117,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1032,9 +1128,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1043,9 +1140,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1055,9 +1153,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/FlowEnd.cs b/SysML2.NET/Core/AutoGenPoco/FlowEnd.cs
index 5866aec2..9dee7189 100644
--- a/SysML2.NET/Core/AutoGenPoco/FlowEnd.cs
+++ b/SysML2.NET/Core/AutoGenPoco/FlowEnd.cs
@@ -57,6 +57,7 @@ public partial class FlowEnd : IFlowEnd
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -68,9 +69,10 @@ public partial class FlowEnd : IFlowEnd
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -80,15 +82,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -98,6 +102,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -110,9 +115,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -120,9 +126,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -130,6 +137,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -138,9 +146,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -148,6 +157,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -155,9 +165,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -167,9 +178,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -177,9 +189,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -188,18 +201,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -209,9 +224,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -219,9 +235,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -229,9 +246,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -240,9 +258,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -250,9 +269,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -265,9 +285,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -275,6 +296,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -283,15 +305,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -299,12 +323,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -318,6 +344,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -328,21 +355,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -350,6 +380,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -361,12 +392,14 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -374,6 +407,7 @@ public bool QueryIsLibraryElement()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -381,9 +415,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -391,9 +426,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -403,9 +439,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -415,9 +452,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -425,9 +463,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -437,9 +476,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -448,9 +488,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -459,9 +500,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -471,9 +513,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -483,9 +526,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -493,9 +537,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -504,9 +549,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -514,9 +560,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -526,9 +573,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -538,9 +586,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -550,9 +599,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -562,9 +612,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -573,9 +624,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -584,9 +636,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -597,9 +650,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -608,9 +662,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -619,9 +674,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -629,6 +685,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -638,9 +695,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -650,9 +708,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -662,9 +721,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -674,9 +734,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -685,9 +746,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -695,9 +757,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -705,9 +768,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -716,9 +780,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -727,9 +792,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -737,6 +803,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -746,9 +813,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -760,9 +828,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -772,9 +841,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -783,9 +853,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -795,9 +866,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -808,9 +880,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/FlowUsage.cs b/SysML2.NET/Core/AutoGenPoco/FlowUsage.cs
index 0ecf8381..40082efe 100644
--- a/SysML2.NET/Core/AutoGenPoco/FlowUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/FlowUsage.cs
@@ -36,6 +36,7 @@ namespace SysML2.NET.Core.POCO.Systems.Flows
     using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Kernel.Behaviors;
     using SysML2.NET.Core.POCO.Kernel.Classes;
+    using SysML2.NET.Core.POCO.Kernel.Connectors;
     using SysML2.NET.Core.POCO.Kernel.Interactions;
     using SysML2.NET.Core.POCO.Root.Annotations;
     using SysML2.NET.Core.POCO.Root.Elements;
@@ -86,15 +87,17 @@ public partial class FlowUsage : IFlowUsage
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
         [RedefinedByProperty("IFlowUsage.FlowDefinition")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -103,9 +106,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674983_471497_43284", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IFlow.Interaction")]
+        [Implements(implementation: "IConnector.Association")]
         public List<IAssociation> QueryAssociation()
         {
-            throw new NotImplementedException("Derived property Association not yet supported");
+            return this.ComputeAssociation();
         }
 
         /// <summary>
@@ -114,9 +118,10 @@ public List<IAssociation> QueryAssociation()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IFlow.Interaction")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -128,9 +133,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -140,9 +146,10 @@ public List<IFeature> QueryChainingFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1556735067666_827798_21922", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IConnector.ConnectorEnd")]
         public List<IFeature> QueryConnectorEnd()
         {
-            throw new NotImplementedException("Derived property ConnectorEnd not yet supported");
+            return this.ComputeConnectorEnd();
         }
 
         /// <summary>
@@ -152,15 +159,17 @@ public List<IFeature> QueryConnectorEnd()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -170,6 +179,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -178,9 +188,10 @@ public IFeature QueryCrossFeature()
         /// checkConnectorTypeFeaturing constraint.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737751598145_444042_71", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IConnector.DefaultFeaturingType")]
         public IType QueryDefaultFeaturingType()
         {
-            throw new NotImplementedException("Derived property DefaultFeaturingType not yet supported");
+            return this.ComputeDefaultFeaturingType();
         }
 
         /// <summary>
@@ -191,9 +202,10 @@ public IType QueryDefaultFeaturingType()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -206,9 +218,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -217,9 +230,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -228,9 +242,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -238,6 +253,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -246,9 +262,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -256,6 +273,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -264,9 +282,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IConnector.ConnectorEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -276,9 +295,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -286,9 +306,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -297,18 +318,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -318,9 +341,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -331,9 +355,10 @@ public List<IType> QueryFeaturingType()
         [Property(xmiId: "_19_0_4_12e503d9_1661892878973_977062_185", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1565500905804_589845_30779")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1661900477937_518125_727")]
+        [Implements(implementation: "IFlowUsage.FlowDefinition")]
         public List<IInteraction> QueryFlowDefinition()
         {
-            throw new NotImplementedException("Derived property FlowDefinition not yet supported");
+            return this.ComputeFlowDefinition();
         }
 
         /// <summary>
@@ -341,9 +366,10 @@ public List<IInteraction> QueryFlowDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1563219311176_506548_20966", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 2, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1556735067666_827798_21922")]
+        [Implements(implementation: "IFlow.FlowEnd")]
         public List<IFlowEnd> QueryFlowEnd()
         {
-            throw new NotImplementedException("Derived property FlowEnd not yet supported");
+            return this.ComputeFlowEnd();
         }
 
         /// <summary>
@@ -351,9 +377,10 @@ public List<IFlowEnd> QueryFlowEnd()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -361,9 +388,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -371,9 +399,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -382,9 +411,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -392,9 +422,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -405,9 +436,10 @@ public List<IFeature> QueryInput()
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674983_471497_43284")]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("IFlowUsage.FlowDefinition")]
+        [Implements(implementation: "IFlow.Interaction")]
         public List<IInteraction> QueryInteraction()
         {
-            throw new NotImplementedException("Derived property Interaction not yet supported");
+            return this.ComputeInteraction();
         }
 
         /// <summary>
@@ -420,9 +452,10 @@ public List<IInteraction> QueryInteraction()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -430,6 +463,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -438,15 +472,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -454,12 +490,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -473,6 +511,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -480,6 +519,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -490,6 +530,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -497,21 +538,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -519,15 +563,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -539,12 +585,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -552,13 +600,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -571,9 +622,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -581,9 +633,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -591,9 +644,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -603,9 +657,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -615,9 +670,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -625,9 +681,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -635,9 +692,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -645,9 +703,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -655,9 +714,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -665,9 +725,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -675,9 +736,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -685,9 +747,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -697,9 +760,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -707,9 +771,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -717,9 +782,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -727,9 +793,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -737,9 +804,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -747,9 +815,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -757,9 +826,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -767,9 +837,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -777,9 +848,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -787,9 +859,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -797,9 +870,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -807,9 +881,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -817,9 +892,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -827,9 +903,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -837,9 +914,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -848,9 +926,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -858,9 +937,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -868,9 +948,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -878,9 +959,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -888,9 +970,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -901,9 +984,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -911,9 +995,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -923,9 +1008,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -934,9 +1020,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -945,9 +1032,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -957,9 +1045,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -969,9 +1058,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -979,9 +1069,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -990,9 +1081,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -1000,9 +1092,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -1012,9 +1105,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -1024,9 +1118,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1036,9 +1131,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1048,9 +1144,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1059,9 +1156,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1070,9 +1168,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1083,9 +1182,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1094,9 +1194,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1105,9 +1206,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1115,6 +1217,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -1122,6 +1225,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1131,9 +1235,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1143,9 +1248,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1155,9 +1261,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1167,9 +1274,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1178,9 +1286,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1188,9 +1297,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1199,9 +1309,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1209,9 +1320,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1220,9 +1332,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1231,9 +1344,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1241,6 +1355,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -1248,6 +1363,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1257,9 +1373,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1267,9 +1384,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1278,9 +1396,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1288,18 +1407,20 @@ public List<IFeature> QueryParameter()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1563219424870_347345_21142", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IFlow.PayloadFeature")]
         public IPayloadFeature QueryPayloadFeature()
         {
-            throw new NotImplementedException("Derived property PayloadFeature not yet supported");
+            return this.ComputePayloadFeature();
         }
 
         /// <summary>
         /// The type of values transferred, which is the type of the payloadFeature of the Flow.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536870569046_1672_18020", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFlow.PayloadType")]
         public List<IClassifier> QueryPayloadType()
         {
-            throw new NotImplementedException("Derived property PayloadType not yet supported");
+            return this.ComputePayloadType();
         }
 
         /// <summary>
@@ -1308,6 +1429,7 @@ public List<IClassifier> QueryPayloadType()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1319,9 +1441,10 @@ public List<IClassifier> QueryPayloadType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1330,9 +1453,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IConnector.RelatedFeature")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -1341,9 +1465,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_916334_43210", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IConnector.RelatedFeature")]
         public List<IFeature> QueryRelatedFeature()
         {
-            throw new NotImplementedException("Derived property RelatedFeature not yet supported");
+            return this.ComputeRelatedFeature();
         }
 
         /// <summary>
@@ -1353,9 +1478,10 @@ public List<IFeature> QueryRelatedFeature()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1363,7 +1489,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.SourceFeature")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConnector.SourceFeature")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedFeature for this Connector. It is the first relatedFeature.
@@ -1371,9 +1499,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594953058873_558253_3897", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConnector.SourceFeature")]
         public IFeature QuerySourceFeature()
         {
-            throw new NotImplementedException("Derived property SourceFeature not yet supported");
+            return this.ComputeSourceFeature();
         }
 
         /// <summary>
@@ -1381,9 +1510,10 @@ public IFeature QuerySourceFeature()
         /// Flow.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536870707078_57525_18088", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFlow.SourceOutputFeature")]
         public IFeature QuerySourceOutputFeature()
         {
-            throw new NotImplementedException("Derived property SourceOutputFeature not yet supported");
+            return this.ComputeSourceOutputFeature();
         }
 
         /// <summary>
@@ -1391,7 +1521,9 @@ public IFeature QuerySourceOutputFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.TargetFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConnector.TargetFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedFeatures for this Connector. This includes all the relatedFeatures other than the
@@ -1400,9 +1532,10 @@ public IFeature QuerySourceOutputFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594953128207_991867_3946", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IConnector.TargetFeature")]
         public List<IFeature> QueryTargetFeature()
         {
-            throw new NotImplementedException("Derived property TargetFeature not yet supported");
+            return this.ComputeTargetFeature();
         }
 
         /// <summary>
@@ -1410,9 +1543,10 @@ public List<IFeature> QueryTargetFeature()
         /// Flow.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536870573474_966268_18041", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFlow.TargetInputFeature")]
         public IFeature QueryTargetInputFeature()
         {
-            throw new NotImplementedException("Derived property TargetInputFeature not yet supported");
+            return this.ComputeTargetInputFeature();
         }
 
         /// <summary>
@@ -1421,9 +1555,10 @@ public IFeature QueryTargetInputFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1434,9 +1569,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1447,9 +1583,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1457,9 +1594,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1468,9 +1606,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1479,9 +1618,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ForLoopActionUsage.cs b/SysML2.NET/Core/AutoGenPoco/ForLoopActionUsage.cs
index 95abc139..50458fef 100644
--- a/SysML2.NET/Core/AutoGenPoco/ForLoopActionUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ForLoopActionUsage.cs
@@ -86,15 +86,17 @@ public partial class ForLoopActionUsage : IForLoopActionUsage
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -103,9 +105,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -113,9 +116,10 @@ public List<IBehavior> QueryBehavior()
         /// LoopActionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624203902575_509097_3869", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ILoopActionUsage.BodyAction")]
         public IActionUsage QueryBodyAction()
         {
-            throw new NotImplementedException("Derived property BodyAction not yet supported");
+            return this.ComputeBodyAction();
         }
 
         /// <summary>
@@ -127,9 +131,10 @@ public IActionUsage QueryBodyAction()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -139,15 +144,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -157,6 +164,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -167,9 +175,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -182,9 +191,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -193,9 +203,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -204,9 +215,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -214,6 +226,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -222,9 +235,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -232,6 +246,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -239,9 +254,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -251,9 +267,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -261,9 +278,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -272,18 +290,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -293,9 +313,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -303,9 +324,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -313,9 +335,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -323,9 +346,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -334,9 +358,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -344,9 +369,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -359,9 +385,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -369,6 +396,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -377,15 +405,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -393,12 +423,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -412,6 +444,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -422,6 +455,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -429,21 +463,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -451,15 +488,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -471,12 +510,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -484,13 +525,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -499,9 +543,10 @@ public bool QueryIsReference()
         /// ForLoopAction::var.</co>
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1640325378400_227367_3662", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IForLoopActionUsage.LoopVariable")]
         public IReferenceUsage QueryLoopVariable()
         {
-            throw new NotImplementedException("Derived property LoopVariable not yet supported");
+            return this.ComputeLoopVariable();
         }
 
         /// <summary>
@@ -514,9 +559,10 @@ public IReferenceUsage QueryLoopVariable()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -524,9 +570,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -534,9 +581,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -546,9 +594,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -558,9 +607,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -568,9 +618,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -578,9 +629,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -588,9 +640,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -598,9 +651,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -608,9 +662,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -618,9 +673,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -628,9 +684,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -650,9 +708,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -660,9 +719,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -670,9 +730,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -680,9 +741,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -690,9 +752,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -700,9 +763,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -710,9 +774,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -720,9 +785,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -730,9 +796,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -740,9 +807,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -750,9 +818,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -760,9 +829,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -770,9 +840,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -780,9 +851,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -791,9 +863,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -801,9 +874,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -811,9 +885,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -821,9 +896,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -831,9 +907,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -844,9 +921,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -854,9 +932,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -866,9 +945,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -877,9 +957,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -888,9 +969,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -900,9 +982,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -912,9 +995,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -922,9 +1006,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -933,9 +1018,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -943,9 +1029,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -955,9 +1042,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -967,9 +1055,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -979,9 +1068,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -991,9 +1081,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1002,9 +1093,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1013,9 +1105,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1026,9 +1119,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1037,9 +1131,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1048,9 +1143,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1058,6 +1154,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1067,9 +1164,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1079,9 +1177,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1091,9 +1190,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1103,9 +1203,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1114,9 +1215,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1124,9 +1226,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1135,9 +1238,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1145,9 +1249,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1156,9 +1261,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1167,9 +1273,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1177,6 +1284,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1186,9 +1294,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1196,9 +1305,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1207,9 +1317,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1218,6 +1329,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1229,9 +1341,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1240,9 +1353,10 @@ public string QueryQualifiedName()
         /// input parameter of this ForLoopActionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624306920911_355291_5769", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IForLoopActionUsage.SeqArgument")]
         public IExpression QuerySeqArgument()
         {
-            throw new NotImplementedException("Derived property SeqArgument not yet supported");
+            return this.ComputeSeqArgument();
         }
 
         /// <summary>
@@ -1252,9 +1366,10 @@ public IExpression QuerySeqArgument()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1263,9 +1378,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1276,9 +1392,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1289,9 +1406,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1299,9 +1417,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1310,9 +1429,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1321,9 +1441,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ForkNode.cs b/SysML2.NET/Core/AutoGenPoco/ForkNode.cs
index 51c3de06..10798c8b 100644
--- a/SysML2.NET/Core/AutoGenPoco/ForkNode.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ForkNode.cs
@@ -84,15 +84,17 @@ public partial class ForkNode : IForkNode
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -101,9 +103,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -115,9 +118,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -127,15 +131,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -145,6 +151,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -155,9 +162,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -170,9 +178,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -181,9 +190,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -192,9 +202,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -202,6 +213,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -210,9 +222,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -220,6 +233,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -227,9 +241,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -239,9 +254,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -249,9 +265,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -260,18 +277,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -281,9 +300,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -291,9 +311,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -301,9 +322,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -311,9 +333,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -322,9 +345,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -332,9 +356,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -347,9 +372,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -357,6 +383,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -365,15 +392,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -381,12 +410,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -400,6 +431,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -410,6 +442,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -417,21 +450,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -439,15 +475,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -459,12 +497,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -472,13 +512,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -491,9 +534,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -501,9 +545,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -511,9 +556,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -523,9 +569,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -535,9 +582,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -545,9 +593,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -555,9 +604,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -565,9 +615,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -575,9 +626,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -585,9 +637,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -595,9 +648,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -617,9 +672,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -627,9 +683,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -637,9 +694,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -647,9 +705,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -657,9 +716,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -667,9 +727,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -677,9 +738,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -687,9 +749,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -697,9 +760,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -707,9 +771,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -717,9 +782,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -727,9 +793,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -737,9 +804,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -747,9 +815,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -757,9 +826,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -768,9 +838,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -778,9 +849,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -788,9 +860,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -798,9 +871,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -808,9 +882,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -821,9 +896,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -831,9 +907,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -843,9 +920,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -854,9 +932,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -865,9 +944,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -877,9 +957,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -889,9 +970,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -899,9 +981,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -910,9 +993,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -920,9 +1004,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -932,9 +1017,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -944,9 +1030,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -956,9 +1043,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -968,9 +1056,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -979,9 +1068,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -990,9 +1080,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1003,9 +1094,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1014,9 +1106,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1025,9 +1118,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1035,6 +1129,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1044,9 +1139,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1056,9 +1152,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1068,9 +1165,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1080,9 +1178,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1091,9 +1190,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1101,9 +1201,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1112,9 +1213,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1122,9 +1224,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1133,9 +1236,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1144,9 +1248,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1154,6 +1259,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1163,9 +1269,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1173,9 +1280,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1184,9 +1292,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1195,6 +1304,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1206,9 +1316,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1218,9 +1329,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1229,9 +1341,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1242,9 +1355,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1255,9 +1369,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1265,9 +1380,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1276,9 +1392,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1287,9 +1404,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/FramedConcernMembership.cs b/SysML2.NET/Core/AutoGenPoco/FramedConcernMembership.cs
index 02a9d9be..1ee3ce72 100644
--- a/SysML2.NET/Core/AutoGenPoco/FramedConcernMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/FramedConcernMembership.cs
@@ -57,12 +57,14 @@ public partial class FramedConcernMembership : IFramedConcernMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -72,6 +74,7 @@ public partial class FramedConcernMembership : IFramedConcernMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -80,9 +83,10 @@ public partial class FramedConcernMembership : IFramedConcernMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -90,6 +94,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -97,6 +102,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -107,15 +113,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -123,36 +131,44 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617120451812_644221_3690", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "requirement")]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1584048161309_821854_390")]
+        [Implements(implementation: "IFramedConcernMembership.Kind")]
         RequirementConstraintKind IFramedConcernMembership.Kind { get; set; }
 
         /// <summary>
         /// Whether the RequirementConstraintMembership is for an assumed or required ConstraintUsage.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1584048161309_821854_390", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IFramedConcernMembership.Kind")] RequirementConstraintKind IRequirementConstraintMembership.Kind { get; set; }
+        [RedefinedByProperty("IFramedConcernMembership.Kind")]
+        [Implements(implementation: "IRequirementConstraintMembership.Kind")]
+        RequirementConstraintKind IRequirementConstraintMembership.Kind { get; set; }
 
         /// <summary>
         /// The Element that becomes a member of the membershipOwningNamespace due to this Membership.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -162,16 +178,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -180,9 +199,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -192,9 +212,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -202,9 +223,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617120590170_490370_3748", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1584048366950_985767_426")]
+        [Implements(implementation: "IFramedConcernMembership.OwnedConcern")]
         public IConcernUsage QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -213,9 +235,10 @@ public IConcernUsage QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1584048366950_985767_426", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674993_898044_43344")]
         [RedefinedByProperty("IFramedConcernMembership.OwnedConcern")]
+        [Implements(implementation: "IRequirementConstraintMembership.OwnedConstraint")]
         public IConstraintUsage QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -223,9 +246,10 @@ public IConstraintUsage QueryOwnedConstraint()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -236,9 +260,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -246,9 +271,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -258,9 +284,10 @@ public string QueryOwnedMemberElementId()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
         [RedefinedByProperty("IRequirementConstraintMembership.OwnedConstraint")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         public IFeature QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -268,9 +295,10 @@ public IFeature QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -278,9 +306,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -288,6 +317,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -295,6 +325,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -302,9 +333,10 @@ public string QueryOwnedMemberShortName()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -313,9 +345,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -324,9 +357,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -334,6 +368,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -341,6 +376,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -349,9 +385,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -363,9 +400,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -375,9 +413,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617120658044_92083_3773", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1617118807597_77864_3544")]
+        [Implements(implementation: "IFramedConcernMembership.ReferencedConcern")]
         public IConcernUsage QueryReferencedConcern()
         {
-            throw new NotImplementedException("Derived property ReferencedConcern not yet supported");
+            return this.ComputeReferencedConcern();
         }
 
         /// <summary>
@@ -387,9 +426,10 @@ public IConcernUsage QueryReferencedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617118807597_77864_3544", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IFramedConcernMembership.ReferencedConcern")]
+        [Implements(implementation: "IRequirementConstraintMembership.ReferencedConstraint")]
         public IConstraintUsage QueryReferencedConstraint()
         {
-            throw new NotImplementedException("Derived property ReferencedConstraint not yet supported");
+            return this.ComputeReferencedConstraint();
         }
 
         /// <summary>
@@ -397,9 +437,10 @@ public IConstraintUsage QueryReferencedConstraint()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -409,9 +450,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -419,14 +461,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -434,9 +480,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -444,6 +491,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Function.cs b/SysML2.NET/Core/AutoGenPoco/Function.cs
index f4a645f2..158a2790 100644
--- a/SysML2.NET/Core/AutoGenPoco/Function.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Function.cs
@@ -57,12 +57,14 @@ public partial class Function : IFunction
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -72,6 +74,7 @@ public partial class Function : IFunction
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -84,9 +87,10 @@ public partial class Function : IFunction
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -95,9 +99,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -106,9 +111,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -116,6 +122,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -123,9 +130,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -133,9 +141,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948400639_301251_20841", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
+        [Implements(implementation: "IFunction.Expression")]
         public List<IExpression> QueryExpression()
         {
-            throw new NotImplementedException("Derived property Expression not yet supported");
+            return this.ComputeExpression();
         }
 
         /// <summary>
@@ -143,9 +152,10 @@ public List<IExpression> QueryExpression()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -154,9 +164,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -164,9 +175,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -174,9 +186,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -185,9 +198,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -195,9 +209,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -210,9 +225,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -220,15 +236,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -239,15 +257,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -258,9 +278,10 @@ public bool QueryIsLibraryElement()
         /// model-level evaluable.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617395221463_139517_26381", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFunction.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
@@ -272,6 +293,7 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -279,9 +301,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -289,9 +312,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -301,9 +325,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -313,9 +338,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -323,9 +349,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -335,9 +362,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -346,9 +374,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -358,9 +387,10 @@ public IConjugation QueryOwnedConjugator()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -370,9 +400,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -380,9 +411,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -391,9 +423,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -401,9 +434,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -413,9 +447,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -425,9 +460,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -436,9 +472,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -447,9 +484,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -460,9 +498,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -470,6 +509,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -479,9 +519,10 @@ public List<IMembership> QueryOwnedMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -490,9 +531,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -501,9 +543,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -511,9 +554,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -522,9 +566,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -533,9 +578,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -543,6 +589,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -551,9 +598,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -565,9 +613,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -576,9 +625,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_18_5_3_12e503d9_1543948912268_88159_21323", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
+        [Implements(implementation: "IFunction.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -588,9 +638,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -598,9 +649,10 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -609,9 +661,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -622,9 +675,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/IAllocationDefinition.cs b/SysML2.NET/Core/AutoGenPoco/IAllocationDefinition.cs
index bb42adf4..df87b7ae 100644
--- a/SysML2.NET/Core/AutoGenPoco/IAllocationDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/IAllocationDefinition.cs
@@ -31,6 +31,7 @@ namespace SysML2.NET.Core.POCO.Systems.Allocations
     using SysML2.NET.Core.POCO.Core.Classifiers;
     using SysML2.NET.Core.POCO.Core.Features;
     using SysML2.NET.Core.POCO.Core.Types;
+    using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Root.Annotations;
     using SysML2.NET.Core.POCO.Root.Elements;
     using SysML2.NET.Core.POCO.Root.Namespaces;
diff --git a/SysML2.NET/Core/AutoGenPoco/IAllocationUsage.cs b/SysML2.NET/Core/AutoGenPoco/IAllocationUsage.cs
index 81a3700d..7522dcb6 100644
--- a/SysML2.NET/Core/AutoGenPoco/IAllocationUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/IAllocationUsage.cs
@@ -35,6 +35,7 @@ namespace SysML2.NET.Core.POCO.Systems.Allocations
     using SysML2.NET.Core.POCO.Core.Types;
     using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Kernel.Classes;
+    using SysML2.NET.Core.POCO.Kernel.Connectors;
     using SysML2.NET.Core.POCO.Kernel.Structures;
     using SysML2.NET.Core.POCO.Root.Annotations;
     using SysML2.NET.Core.POCO.Root.Elements;
diff --git a/SysML2.NET/Core/AutoGenPoco/IConnectionUsage.cs b/SysML2.NET/Core/AutoGenPoco/IConnectionUsage.cs
index 0602956c..a0a0b2b3 100644
--- a/SysML2.NET/Core/AutoGenPoco/IConnectionUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/IConnectionUsage.cs
@@ -35,6 +35,7 @@ namespace SysML2.NET.Core.POCO.Systems.Connections
     using SysML2.NET.Core.POCO.Core.Types;
     using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Kernel.Classes;
+    using SysML2.NET.Core.POCO.Kernel.Connectors;
     using SysML2.NET.Core.POCO.Kernel.Structures;
     using SysML2.NET.Core.POCO.Root.Annotations;
     using SysML2.NET.Core.POCO.Root.Elements;
diff --git a/SysML2.NET/Core/AutoGenPoco/IFlowDefinition.cs b/SysML2.NET/Core/AutoGenPoco/IFlowDefinition.cs
index 6691a8f4..8c040b67 100644
--- a/SysML2.NET/Core/AutoGenPoco/IFlowDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/IFlowDefinition.cs
@@ -31,6 +31,7 @@ namespace SysML2.NET.Core.POCO.Systems.Flows
     using SysML2.NET.Core.POCO.Core.Classifiers;
     using SysML2.NET.Core.POCO.Core.Features;
     using SysML2.NET.Core.POCO.Core.Types;
+    using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Kernel.Behaviors;
     using SysML2.NET.Core.POCO.Kernel.Interactions;
     using SysML2.NET.Core.POCO.Root.Annotations;
diff --git a/SysML2.NET/Core/AutoGenPoco/IFlowUsage.cs b/SysML2.NET/Core/AutoGenPoco/IFlowUsage.cs
index 736f5fc2..e5e0f6ce 100644
--- a/SysML2.NET/Core/AutoGenPoco/IFlowUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/IFlowUsage.cs
@@ -36,6 +36,7 @@ namespace SysML2.NET.Core.POCO.Systems.Flows
     using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Kernel.Behaviors;
     using SysML2.NET.Core.POCO.Kernel.Classes;
+    using SysML2.NET.Core.POCO.Kernel.Connectors;
     using SysML2.NET.Core.POCO.Kernel.Interactions;
     using SysML2.NET.Core.POCO.Root.Annotations;
     using SysML2.NET.Core.POCO.Root.Elements;
diff --git a/SysML2.NET/Core/AutoGenPoco/IInterfaceDefinition.cs b/SysML2.NET/Core/AutoGenPoco/IInterfaceDefinition.cs
index 345f4600..1368bb60 100644
--- a/SysML2.NET/Core/AutoGenPoco/IInterfaceDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/IInterfaceDefinition.cs
@@ -31,6 +31,7 @@ namespace SysML2.NET.Core.POCO.Systems.Interfaces
     using SysML2.NET.Core.POCO.Core.Classifiers;
     using SysML2.NET.Core.POCO.Core.Features;
     using SysML2.NET.Core.POCO.Core.Types;
+    using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Root.Annotations;
     using SysML2.NET.Core.POCO.Root.Elements;
     using SysML2.NET.Core.POCO.Root.Namespaces;
diff --git a/SysML2.NET/Core/AutoGenPoco/IInterfaceUsage.cs b/SysML2.NET/Core/AutoGenPoco/IInterfaceUsage.cs
index d53b2772..fa88db87 100644
--- a/SysML2.NET/Core/AutoGenPoco/IInterfaceUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/IInterfaceUsage.cs
@@ -35,6 +35,7 @@ namespace SysML2.NET.Core.POCO.Systems.Interfaces
     using SysML2.NET.Core.POCO.Core.Types;
     using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Kernel.Classes;
+    using SysML2.NET.Core.POCO.Kernel.Connectors;
     using SysML2.NET.Core.POCO.Kernel.Structures;
     using SysML2.NET.Core.POCO.Root.Annotations;
     using SysML2.NET.Core.POCO.Root.Elements;
diff --git a/SysML2.NET/Core/AutoGenPoco/ISuccessionFlowUsage.cs b/SysML2.NET/Core/AutoGenPoco/ISuccessionFlowUsage.cs
index 91f27b95..6511998c 100644
--- a/SysML2.NET/Core/AutoGenPoco/ISuccessionFlowUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ISuccessionFlowUsage.cs
@@ -36,6 +36,7 @@ namespace SysML2.NET.Core.POCO.Systems.Flows
     using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Kernel.Behaviors;
     using SysML2.NET.Core.POCO.Kernel.Classes;
+    using SysML2.NET.Core.POCO.Kernel.Connectors;
     using SysML2.NET.Core.POCO.Kernel.Interactions;
     using SysML2.NET.Core.POCO.Root.Annotations;
     using SysML2.NET.Core.POCO.Root.Elements;
diff --git a/SysML2.NET/Core/AutoGenPoco/IfActionUsage.cs b/SysML2.NET/Core/AutoGenPoco/IfActionUsage.cs
index 7c8436bd..33ea9284 100644
--- a/SysML2.NET/Core/AutoGenPoco/IfActionUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/IfActionUsage.cs
@@ -86,15 +86,17 @@ public partial class IfActionUsage : IIfActionUsage
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -103,9 +105,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -117,9 +120,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -129,15 +133,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -147,6 +153,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -157,9 +164,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -172,9 +180,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -183,9 +192,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -194,9 +204,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -204,6 +215,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -212,9 +224,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -222,6 +235,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -229,9 +243,10 @@ public List<IDocumentation> QueryDocumentation()
         /// (optional) third parameter of the IfActionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624203816178_273125_3723", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IIfActionUsage.ElseAction")]
         public IActionUsage QueryElseAction()
         {
-            throw new NotImplementedException("Derived property ElseAction not yet supported");
+            return this.ComputeElseAction();
         }
 
         /// <summary>
@@ -239,9 +254,10 @@ public IActionUsage QueryElseAction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -251,9 +267,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -261,9 +278,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -272,18 +290,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -293,9 +313,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -303,9 +324,10 @@ public List<IType> QueryFeaturingType()
         /// performed. It is the first parameter of the IfActionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624203866872_328861_3821", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IIfActionUsage.IfArgument")]
         public IExpression QueryIfArgument()
         {
-            throw new NotImplementedException("Derived property IfArgument not yet supported");
+            return this.ComputeIfArgument();
         }
 
         /// <summary>
@@ -313,9 +335,10 @@ public IExpression QueryIfArgument()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -323,9 +346,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -333,9 +357,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -344,9 +369,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -354,9 +380,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -369,9 +396,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -379,6 +407,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -387,15 +416,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -403,12 +434,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -422,6 +455,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -432,6 +466,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -439,21 +474,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -461,15 +499,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -481,12 +521,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -494,13 +536,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -513,9 +558,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -523,9 +569,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -533,9 +580,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -545,9 +593,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -557,9 +606,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -567,9 +617,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -577,9 +628,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -587,9 +639,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -597,9 +650,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -607,9 +661,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -617,9 +672,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -627,9 +683,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -639,9 +696,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -649,9 +707,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -659,9 +718,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -669,9 +729,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -679,9 +740,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -689,9 +751,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -699,9 +762,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -709,9 +773,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -719,9 +784,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -729,9 +795,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -739,9 +806,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -749,9 +817,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -759,9 +828,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -769,9 +839,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -779,9 +850,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -790,9 +862,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -800,9 +873,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -810,9 +884,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -820,9 +895,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -830,9 +906,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -843,9 +920,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -853,9 +931,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -865,9 +944,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -876,9 +956,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -887,9 +968,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -899,9 +981,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -911,9 +994,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -921,9 +1005,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -932,9 +1017,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -942,9 +1028,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -954,9 +1041,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -966,9 +1054,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -978,9 +1067,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -990,9 +1080,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1001,9 +1092,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1012,9 +1104,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1025,9 +1118,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1036,9 +1130,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1047,9 +1142,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1057,6 +1153,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1066,9 +1163,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1078,9 +1176,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1090,9 +1189,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1102,9 +1202,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1113,9 +1214,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1123,9 +1225,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1134,9 +1237,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1144,9 +1248,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1155,9 +1260,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1166,9 +1272,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1176,6 +1283,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1185,9 +1293,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1195,9 +1304,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1206,9 +1316,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1217,6 +1328,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1228,9 +1340,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1240,9 +1353,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1251,9 +1365,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1261,9 +1376,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// parameter of the IfActionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624203835062_413118_3748", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IIfActionUsage.ThenAction")]
         public IActionUsage QueryThenAction()
         {
-            throw new NotImplementedException("Derived property ThenAction not yet supported");
+            return this.ComputeThenAction();
         }
 
         /// <summary>
@@ -1274,9 +1390,10 @@ public IActionUsage QueryThenAction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1287,9 +1404,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1297,9 +1415,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1308,9 +1427,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1319,9 +1439,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Import.cs b/SysML2.NET/Core/AutoGenPoco/Import.cs
index 770111e6..d8a6401f 100644
--- a/SysML2.NET/Core/AutoGenPoco/Import.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Import.cs
@@ -57,12 +57,14 @@ public partial class Import : IImport
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -72,6 +74,7 @@ public partial class Import : IImport
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -80,9 +83,10 @@ public partial class Import : IImport
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -90,6 +94,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -97,9 +102,10 @@ public List<IDocumentation> QueryDocumentation()
         /// of the importedMembership. For a NamespaceImport, it is the importedNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1668801846848_909736_64", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IImport.ImportedElement")]
         public IElement QueryImportedElement()
         {
-            throw new NotImplementedException("Derived property ImportedElement not yet supported");
+            return this.ComputeImportedElement();
         }
 
         /// <summary>
@@ -109,9 +115,10 @@ public IElement QueryImportedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_548878_43248", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IImport.ImportOwningNamespace")]
         public INamespace QueryImportOwningNamespace()
         {
-            throw new NotImplementedException("Derived property ImportOwningNamespace not yet supported");
+            return this.ComputeImportOwningNamespace();
         }
 
         /// <summary>
@@ -119,6 +126,7 @@ public INamespace QueryImportOwningNamespace()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -129,27 +137,31 @@ public INamespace QueryImportOwningNamespace()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether to import memberships without regard to declared visibility.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1622577942205_869984_64", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IImport.IsImportAll")]
         public bool IsImportAll { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether to recursively import Memberships from visible, owned sub-Namespaces.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1605759116711_596237_5033", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IImport.IsRecursive")]
         public bool IsRecursive { get; set; }
 
         /// <summary>
@@ -159,9 +171,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -171,9 +184,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -181,9 +195,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -191,6 +206,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -198,6 +214,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -205,9 +222,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -216,9 +234,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -227,9 +246,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -237,6 +257,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -244,6 +265,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -255,9 +277,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -265,9 +288,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -277,9 +301,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -287,13 +312,16 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IImport.ImportOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IImport.ImportOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.Target")]
         public List<IElement> Target { get; set; }
 
         /// <summary>
@@ -302,9 +330,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -312,6 +341,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// The default is private.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674976_798509_43257", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "private")]
+        [Implements(implementation: "IImport.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/IncludeUseCaseUsage.cs b/SysML2.NET/Core/AutoGenPoco/IncludeUseCaseUsage.cs
index 163fdd30..3c963f43 100644
--- a/SysML2.NET/Core/AutoGenPoco/IncludeUseCaseUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/IncludeUseCaseUsage.cs
@@ -88,9 +88,10 @@ public partial class IncludeUseCaseUsage : IIncludeUseCaseUsage
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
         [RedefinedByProperty("ICalculationUsage.CalculationDefinition")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
@@ -99,15 +100,17 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_19_0_4_12e503d9_1621464633171_380461_1655", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "ICaseUsage.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -116,9 +119,10 @@ public List<IPartUsage> QueryActorParameter()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -130,9 +134,10 @@ public List<IBehavior> QueryBehavior()
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543948477241_299049_20934")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1565500905804_589845_30779")]
         [RedefinedByProperty("ICaseUsage.CaseDefinition")]
+        [Implements(implementation: "ICalculationUsage.CalculationDefinition")]
         public IFunction QueryCalculationDefinition()
         {
-            throw new NotImplementedException("Derived property CalculationDefinition not yet supported");
+            return this.ComputeCalculationDefinition();
         }
 
         /// <summary>
@@ -141,9 +146,10 @@ public IFunction QueryCalculationDefinition()
         [Property(xmiId: "_19_0_2_59601fc_1590257465225_855208_512", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1588213526305_899324_302")]
         [RedefinedByProperty("IUseCaseUsage.UseCaseDefinition")]
+        [Implements(implementation: "ICaseUsage.CaseDefinition")]
         public ICaseDefinition QueryCaseDefinition()
         {
-            throw new NotImplementedException("Derived property CaseDefinition not yet supported");
+            return this.ComputeCaseDefinition();
         }
 
         /// <summary>
@@ -155,9 +161,10 @@ public ICaseDefinition QueryCaseDefinition()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -167,15 +174,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -185,6 +194,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -195,9 +205,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -210,9 +221,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -221,9 +233,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -232,9 +245,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -242,6 +256,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -250,9 +265,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -260,6 +276,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -267,9 +284,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -279,9 +297,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -291,9 +310,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1622831790393_676695_195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IPerformActionUsage.PerformedAction")]
+        [Implements(implementation: "IEventOccurrenceUsage.EventOccurrence")]
         public IOccurrenceUsage QueryEventOccurrence()
         {
-            throw new NotImplementedException("Derived property EventOccurrence not yet supported");
+            return this.ComputeEventOccurrence();
         }
 
         /// <summary>
@@ -301,9 +321,10 @@ public IOccurrenceUsage QueryEventOccurrence()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -312,18 +333,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -333,9 +356,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -344,9 +368,10 @@ public List<IType> QueryFeaturingType()
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("ICalculationUsage.CalculationDefinition")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -354,9 +379,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -364,9 +390,10 @@ public List<IMembership> QueryImportedMembership()
         /// IncludeUseCaseUsages owned by this UseCaseUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621545989647_997634_1855", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUseCaseUsage.IncludedUseCase")]
         public List<IUseCaseUsage> QueryIncludedUseCase()
         {
-            throw new NotImplementedException("Derived property IncludedUseCase not yet supported");
+            return this.ComputeIncludedUseCase();
         }
 
         /// <summary>
@@ -374,9 +401,10 @@ public List<IUseCaseUsage> QueryIncludedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -384,9 +412,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -395,9 +424,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -405,9 +435,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -420,9 +451,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -430,6 +462,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -438,15 +471,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -454,12 +489,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -473,6 +510,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -483,6 +521,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -490,15 +529,17 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -506,15 +547,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -522,6 +565,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -529,9 +573,10 @@ public bool QueryIsModelLevelEvaluable()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IEventOccurrenceUsage.IsReference")]
+        [Implements(implementation: "IUsage.IsReference")]
         bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -539,9 +584,10 @@ bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1672526906017_786343_306", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1624035114787_488767_41423")]
+        [Implements(implementation: "IEventOccurrenceUsage.IsReference")]
         bool Systems.Occurrences.IEventOccurrenceUsage.QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -553,12 +599,14 @@ bool Systems.Occurrences.IEventOccurrenceUsage.QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -566,13 +614,16 @@ bool Systems.Occurrences.IEventOccurrenceUsage.QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -585,9 +636,10 @@ bool Systems.Occurrences.IEventOccurrenceUsage.QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -595,9 +647,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -605,9 +658,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -617,9 +671,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -629,9 +684,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -639,9 +695,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -649,9 +706,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -659,9 +717,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -669,9 +728,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -679,9 +739,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -689,9 +750,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -699,9 +761,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -711,9 +774,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -721,9 +785,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -731,9 +796,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -741,9 +807,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -751,9 +818,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -761,9 +829,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -771,9 +840,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -781,9 +851,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -791,9 +862,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -801,9 +873,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -811,9 +884,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -821,9 +895,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -831,9 +906,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -841,9 +917,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -851,9 +928,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -862,9 +940,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -872,9 +951,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -882,9 +962,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -892,9 +973,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -902,9 +984,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -912,9 +995,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591138794257_404044_2145", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "ICaseUsage.ObjectiveRequirement")]
         public IRequirementUsage QueryObjectiveRequirement()
         {
-            throw new NotImplementedException("Derived property ObjectiveRequirement not yet supported");
+            return this.ComputeObjectiveRequirement();
         }
 
         /// <summary>
@@ -925,9 +1009,10 @@ public IRequirementUsage QueryObjectiveRequirement()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -935,9 +1020,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -947,9 +1033,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -958,9 +1045,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -969,9 +1057,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -981,9 +1070,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -993,9 +1083,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -1003,9 +1094,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -1014,9 +1106,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -1024,9 +1117,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -1036,9 +1130,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -1048,9 +1143,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1060,9 +1156,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1072,9 +1169,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1083,9 +1181,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1094,9 +1193,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1107,9 +1207,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1118,9 +1219,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1129,9 +1231,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1139,6 +1242,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1148,9 +1252,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1160,9 +1265,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1172,9 +1278,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1184,9 +1291,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1195,9 +1303,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1205,9 +1314,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1216,9 +1326,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1226,9 +1337,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1237,9 +1349,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1248,9 +1361,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1258,6 +1372,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1267,9 +1382,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1277,9 +1393,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1288,9 +1405,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1300,9 +1418,10 @@ public List<IFeature> QueryParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1567740791820_867719_18017", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1622831790393_676695_195")]
         [RedefinedByProperty("IIncludeUseCaseUsage.UseCaseIncluded")]
+        [Implements(implementation: "IPerformActionUsage.PerformedAction")]
         public IActionUsage QueryPerformedAction()
         {
-            throw new NotImplementedException("Derived property PerformedAction not yet supported");
+            return this.ComputePerformedAction();
         }
 
         /// <summary>
@@ -1311,6 +1430,7 @@ public IActionUsage QueryPerformedAction()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1322,9 +1442,10 @@ public IActionUsage QueryPerformedAction()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1335,9 +1456,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -1347,9 +1469,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1358,9 +1481,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1595190279083_51021_1128", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "ICaseUsage.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -1369,9 +1493,10 @@ public IUsage QuerySubjectParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1382,9 +1507,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1395,9 +1521,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1405,9 +1532,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1415,9 +1543,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621460964889_804779_881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_59601fc_1590257465225_855208_512")]
+        [Implements(implementation: "IUseCaseUsage.UseCaseDefinition")]
         public IUseCaseDefinition QueryUseCaseDefinition()
         {
-            throw new NotImplementedException("Derived property UseCaseDefinition not yet supported");
+            return this.ComputeUseCaseDefinition();
         }
 
         /// <summary>
@@ -1426,9 +1555,10 @@ public IUseCaseDefinition QueryUseCaseDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621532149711_865323_1172", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1567740791820_867719_18017")]
+        [Implements(implementation: "IIncludeUseCaseUsage.UseCaseIncluded")]
         public IUseCaseUsage QueryUseCaseIncluded()
         {
-            throw new NotImplementedException("Derived property UseCaseIncluded not yet supported");
+            return this.ComputeUseCaseIncluded();
         }
 
         /// <summary>
@@ -1437,9 +1567,10 @@ public IUseCaseUsage QueryUseCaseIncluded()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1448,9 +1579,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/IndexExpression.cs b/SysML2.NET/Core/AutoGenPoco/IndexExpression.cs
index 6c3760e3..83f47d6d 100644
--- a/SysML2.NET/Core/AutoGenPoco/IndexExpression.cs
+++ b/SysML2.NET/Core/AutoGenPoco/IndexExpression.cs
@@ -57,6 +57,7 @@ public partial class IndexExpression : IIndexExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -66,9 +67,10 @@ public partial class IndexExpression : IIndexExpression
         /// InstantiationExpression.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134437590_328753_108", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IInstantiationExpression.Argument")]
         public List<IExpression> QueryArgument()
         {
-            throw new NotImplementedException("Derived property Argument not yet supported");
+            return this.ComputeArgument();
         }
 
         /// <summary>
@@ -77,9 +79,10 @@ public List<IExpression> QueryArgument()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -91,9 +94,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -103,15 +107,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -121,6 +127,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -133,9 +140,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -144,9 +152,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -154,6 +163,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -162,9 +172,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -172,6 +183,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -179,9 +191,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -191,9 +204,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -201,9 +215,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -212,18 +227,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -233,9 +250,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -243,9 +261,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -253,9 +272,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -263,9 +283,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -274,9 +295,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -284,9 +306,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -294,9 +317,10 @@ public List<IFeature> QueryInput()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134352572_416088_80", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IInstantiationExpression.InstantiatedType")]
         public IType QueryInstantiatedType()
         {
-            throw new NotImplementedException("Derived property InstantiatedType not yet supported");
+            return this.ComputeInstantiatedType();
         }
 
         /// <summary>
@@ -309,9 +333,10 @@ public IType QueryInstantiatedType()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -319,6 +344,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -327,15 +353,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -343,12 +371,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -362,6 +392,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -372,15 +403,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -388,15 +421,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -404,6 +439,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -415,12 +451,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -428,6 +466,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -435,9 +474,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -445,9 +485,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -457,9 +498,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -469,15 +511,17 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1735075421526_442091_324", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "#")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1557528808100_646606_111674")]
+        [Implements(implementation: "IIndexExpression.Operator")]
         string IIndexExpression.Operator { get; set; }
 
         /// <summary>
@@ -485,16 +529,19 @@ public string QueryName()
         /// Kernel Function Library .
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1557528808100_646606_111674", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IIndexExpression.Operator")] string IOperatorExpression.Operator { get; set; }
+        [RedefinedByProperty("IIndexExpression.Operator")]
+        [Implements(implementation: "IOperatorExpression.Operator")]
+        string IOperatorExpression.Operator { get; set; }
 
         /// <summary>
         /// All features related to this Type by FeatureMemberships that have direction out or inout.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -504,9 +551,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -515,9 +563,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -526,9 +575,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -538,9 +588,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -550,9 +601,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -560,9 +612,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -571,9 +624,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -581,9 +635,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -593,9 +648,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -605,9 +661,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -617,9 +674,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -629,9 +687,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -640,9 +699,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -651,9 +711,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -664,9 +725,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -675,9 +737,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -686,9 +749,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -696,6 +760,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -705,9 +770,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -717,9 +783,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -729,9 +796,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -741,9 +809,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -752,9 +821,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -762,9 +832,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -772,9 +843,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -783,9 +855,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -794,9 +867,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -804,6 +878,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -813,9 +888,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -824,9 +900,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -838,9 +915,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -851,9 +929,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -863,9 +942,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -874,9 +954,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -886,9 +967,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -899,9 +981,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/InstantiationExpression.cs b/SysML2.NET/Core/AutoGenPoco/InstantiationExpression.cs
index cd39af10..9442db97 100644
--- a/SysML2.NET/Core/AutoGenPoco/InstantiationExpression.cs
+++ b/SysML2.NET/Core/AutoGenPoco/InstantiationExpression.cs
@@ -58,6 +58,7 @@ public partial class InstantiationExpression : IInstantiationExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -67,9 +68,10 @@ public partial class InstantiationExpression : IInstantiationExpression
         /// InstantiationExpression.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134437590_328753_108", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IInstantiationExpression.Argument")]
         public List<IExpression> QueryArgument()
         {
-            throw new NotImplementedException("Derived property Argument not yet supported");
+            return this.ComputeArgument();
         }
 
         /// <summary>
@@ -78,9 +80,10 @@ public List<IExpression> QueryArgument()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -92,9 +95,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -104,15 +108,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -122,6 +128,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -134,9 +141,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -145,9 +153,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -155,6 +164,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -163,9 +173,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -173,6 +184,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -180,9 +192,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -192,9 +205,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -202,9 +216,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -213,18 +228,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -234,9 +251,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -244,9 +262,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -254,9 +273,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -264,9 +284,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -275,9 +296,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -285,9 +307,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -295,9 +318,10 @@ public List<IFeature> QueryInput()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134352572_416088_80", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IInstantiationExpression.InstantiatedType")]
         public IType QueryInstantiatedType()
         {
-            throw new NotImplementedException("Derived property InstantiatedType not yet supported");
+            return this.ComputeInstantiatedType();
         }
 
         /// <summary>
@@ -310,9 +334,10 @@ public IType QueryInstantiatedType()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -320,6 +345,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -328,15 +354,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -344,12 +372,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -363,6 +393,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -373,15 +404,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -389,15 +422,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -405,6 +440,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -416,12 +452,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -429,6 +467,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -436,9 +475,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -446,9 +486,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -458,9 +499,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -470,9 +512,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -480,9 +523,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -492,9 +536,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -503,9 +548,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -514,9 +560,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -526,9 +573,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -538,9 +586,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -548,9 +597,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -559,9 +609,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -569,9 +620,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -581,9 +633,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -593,9 +646,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -617,9 +672,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -628,9 +684,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -639,9 +696,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -652,9 +710,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -663,9 +722,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -674,9 +734,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -684,6 +745,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -693,9 +755,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -705,9 +768,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -717,9 +781,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -729,9 +794,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -740,9 +806,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -750,9 +817,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -760,9 +828,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -771,9 +840,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -782,9 +852,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -792,6 +863,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -801,9 +873,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -812,9 +885,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -826,9 +900,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -839,9 +914,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -851,9 +927,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -862,9 +939,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -874,9 +952,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -887,9 +966,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Interaction.cs b/SysML2.NET/Core/AutoGenPoco/Interaction.cs
index eeaab6a9..74f36a92 100644
--- a/SysML2.NET/Core/AutoGenPoco/Interaction.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Interaction.cs
@@ -57,6 +57,7 @@ public partial class Interaction : IInteraction
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -66,15 +67,17 @@ public partial class Interaction : IInteraction
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562477648742_24204_22901", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IAssociation.AssociationEnd")]
         public List<IFeature> QueryAssociationEnd()
         {
-            throw new NotImplementedException("Derived property AssociationEnd not yet supported");
+            return this.ComputeAssociationEnd();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -84,6 +87,7 @@ public List<IFeature> QueryAssociationEnd()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -96,9 +100,10 @@ public List<IFeature> QueryAssociationEnd()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -107,9 +112,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -118,9 +124,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -128,6 +135,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -136,9 +144,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IAssociation.AssociationEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -146,9 +155,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -157,9 +167,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -167,9 +178,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -177,9 +189,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -188,9 +201,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -198,9 +212,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -213,9 +228,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -223,15 +239,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -239,6 +257,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -249,15 +268,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -269,6 +290,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -276,9 +298,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -286,9 +309,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -298,9 +322,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -310,9 +335,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -320,9 +346,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -332,9 +359,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -343,9 +371,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -355,9 +384,10 @@ public IConjugation QueryOwnedConjugator()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -367,9 +397,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -377,9 +408,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -388,9 +420,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -398,9 +431,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -410,9 +444,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -422,9 +457,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -433,9 +469,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -444,9 +481,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -457,9 +495,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -467,6 +506,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -474,6 +514,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -483,9 +524,10 @@ public List<IMembership> QueryOwnedMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -494,9 +536,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -505,9 +548,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -515,9 +559,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -526,9 +571,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -537,9 +583,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -547,6 +594,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -554,6 +602,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -562,9 +611,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -576,9 +626,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -587,9 +638,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IAssociation.RelatedType")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -598,9 +650,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_4339_43349", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IAssociation.RelatedType")]
         public List<IType> QueryRelatedType()
         {
-            throw new NotImplementedException("Derived property RelatedType not yet supported");
+            return this.ComputeRelatedType();
         }
 
         /// <summary>
@@ -610,9 +663,10 @@ public List<IType> QueryRelatedType()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -620,7 +674,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.SourceType")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IAssociation.SourceType")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedType for this Association. It is the first relatedType of the Association.
@@ -628,9 +684,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594939013292_377668_3566", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IAssociation.SourceType")]
         public IType QuerySourceType()
         {
-            throw new NotImplementedException("Derived property SourceType not yet supported");
+            return this.ComputeSourceType();
         }
 
         /// <summary>
@@ -638,9 +695,10 @@ public IType QuerySourceType()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -648,7 +706,9 @@ public List<IStep> QueryStep()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.TargetType")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IAssociation.TargetType")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedTypes for this Association. This includes all the relatedTypes other than the
@@ -657,9 +717,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1594939237325_861933_3707", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IAssociation.TargetType")]
         public List<IType> QueryTargetType()
         {
-            throw new NotImplementedException("Derived property TargetType not yet supported");
+            return this.ComputeTargetType();
         }
 
         /// <summary>
@@ -668,9 +729,10 @@ public List<IType> QueryTargetType()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -681,9 +743,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/InterfaceDefinition.cs b/SysML2.NET/Core/AutoGenPoco/InterfaceDefinition.cs
index ad7321f1..e2654d6b 100644
--- a/SysML2.NET/Core/AutoGenPoco/InterfaceDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/InterfaceDefinition.cs
@@ -31,6 +31,7 @@ namespace SysML2.NET.Core.POCO.Systems.Interfaces
     using SysML2.NET.Core.POCO.Core.Classifiers;
     using SysML2.NET.Core.POCO.Core.Features;
     using SysML2.NET.Core.POCO.Core.Types;
+    using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Root.Annotations;
     using SysML2.NET.Core.POCO.Root.Elements;
     using SysML2.NET.Core.POCO.Root.Namespaces;
@@ -76,6 +77,7 @@ public partial class InterfaceDefinition : IInterfaceDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -86,9 +88,10 @@ public partial class InterfaceDefinition : IInterfaceDefinition
         [Property(xmiId: "_18_5_3_12e503d9_1562477648742_24204_22901", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [RedefinedByProperty("IConnectionDefinition.ConnectionEnd")]
+        [Implements(implementation: "IAssociation.AssociationEnd")]
         public List<IFeature> QueryAssociationEnd()
         {
-            throw new NotImplementedException("Derived property AssociationEnd not yet supported");
+            return this.ComputeAssociationEnd();
         }
 
         /// <summary>
@@ -97,15 +100,17 @@ public List<IFeature> QueryAssociationEnd()
         [Property(xmiId: "_19_0_2_12e503d9_1591476421094_685440_682", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562477648742_24204_22901")]
         [RedefinedByProperty("IInterfaceDefinition.InterfaceEnd")]
+        [Implements(implementation: "IConnectionDefinition.ConnectionEnd")]
         public List<IUsage> QueryConnectionEnd()
         {
-            throw new NotImplementedException("Derived property ConnectionEnd not yet supported");
+            return this.ComputeConnectionEnd();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -115,6 +120,7 @@ public List<IUsage> QueryConnectionEnd()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -127,9 +133,10 @@ public List<IUsage> QueryConnectionEnd()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -137,9 +144,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -148,9 +156,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -159,9 +168,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -169,6 +179,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -177,9 +188,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IAssociation.AssociationEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -187,9 +199,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -198,9 +211,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -208,9 +222,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -218,9 +233,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -229,9 +245,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -239,9 +256,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -249,9 +267,10 @@ public List<IFeature> QueryInput()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565496234915_779221_26664", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591476421094_685440_682")]
+        [Implements(implementation: "IInterfaceDefinition.InterfaceEnd")]
         public List<IPortUsage> QueryInterfaceEnd()
         {
-            throw new NotImplementedException("Derived property InterfaceEnd not yet supported");
+            return this.ComputeInterfaceEnd();
         }
 
         /// <summary>
@@ -264,9 +283,10 @@ public List<IPortUsage> QueryInterfaceEnd()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -274,15 +294,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -290,6 +312,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -300,21 +323,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -322,6 +348,7 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1734734871008_462076_156", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1564072709069_937523_30797")]
+        [Implements(implementation: "IConnectionDefinition.IsSufficient")]
         bool Systems.Connections.IConnectionDefinition.IsSufficient { get; set; }
 
         /// <summary>
@@ -333,13 +360,16 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IConnectionDefinition.IsSufficient")] bool Core.Types.IType.IsSufficient { get; set; }
+        [RedefinedByProperty("IConnectionDefinition.IsSufficient")]
+        [Implements(implementation: "IType.IsSufficient")]
+        bool Core.Types.IType.IsSufficient { get; set; }
 
         /// <summary>
         /// Whether this Definition is for a variation point or not. If true, then all the memberships of the
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -347,9 +377,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -357,9 +388,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -369,9 +401,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -381,9 +414,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -391,9 +425,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -401,9 +436,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -411,9 +447,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -421,9 +458,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -433,9 +471,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -443,9 +482,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -453,9 +493,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -463,9 +504,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -473,9 +515,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -484,9 +527,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -496,9 +540,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -506,9 +551,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -518,9 +564,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -530,9 +577,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -540,9 +588,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -551,9 +600,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -561,9 +611,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -571,9 +622,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -583,9 +635,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -593,9 +646,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -615,9 +670,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -626,9 +682,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -636,9 +693,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -647,9 +705,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -660,9 +719,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -670,9 +730,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -680,9 +741,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -690,9 +752,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -700,9 +763,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -710,9 +774,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -720,6 +785,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -727,6 +793,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -734,9 +801,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -744,9 +812,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -756,9 +825,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -766,9 +836,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -777,9 +848,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -787,9 +859,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -798,9 +871,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -809,9 +883,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -819,9 +894,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -829,9 +905,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -839,9 +916,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -849,9 +927,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -859,9 +938,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -870,9 +950,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -881,9 +962,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -891,6 +973,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -898,6 +981,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -909,9 +993,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -920,9 +1005,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IAssociation.RelatedType")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -931,9 +1017,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_4339_43349", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IAssociation.RelatedType")]
         public List<IType> QueryRelatedType()
         {
-            throw new NotImplementedException("Derived property RelatedType not yet supported");
+            return this.ComputeRelatedType();
         }
 
         /// <summary>
@@ -943,9 +1030,10 @@ public List<IType> QueryRelatedType()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -953,7 +1041,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.SourceType")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IAssociation.SourceType")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedType for this Association. It is the first relatedType of the Association.
@@ -961,9 +1051,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594939013292_377668_3566", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IAssociation.SourceType")]
         public IType QuerySourceType()
         {
-            throw new NotImplementedException("Derived property SourceType not yet supported");
+            return this.ComputeSourceType();
         }
 
         /// <summary>
@@ -971,7 +1062,9 @@ public IType QuerySourceType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IAssociation.TargetType")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IAssociation.TargetType")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedTypes for this Association. This includes all the relatedTypes other than the
@@ -980,9 +1073,10 @@ public IType QuerySourceType()
         [Property(xmiId: "_19_0_2_12e503d9_1594939237325_861933_3707", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674994_4339_43349")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IAssociation.TargetType")]
         public List<IType> QueryTargetType()
         {
-            throw new NotImplementedException("Derived property TargetType not yet supported");
+            return this.ComputeTargetType();
         }
 
         /// <summary>
@@ -991,9 +1085,10 @@ public List<IType> QueryTargetType()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1004,9 +1099,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1014,9 +1110,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1025,9 +1122,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1037,9 +1135,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/InterfaceUsage.cs b/SysML2.NET/Core/AutoGenPoco/InterfaceUsage.cs
index 9952912f..147699b7 100644
--- a/SysML2.NET/Core/AutoGenPoco/InterfaceUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/InterfaceUsage.cs
@@ -35,6 +35,7 @@ namespace SysML2.NET.Core.POCO.Systems.Interfaces
     using SysML2.NET.Core.POCO.Core.Types;
     using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Kernel.Classes;
+    using SysML2.NET.Core.POCO.Kernel.Connectors;
     using SysML2.NET.Core.POCO.Kernel.Structures;
     using SysML2.NET.Core.POCO.Root.Annotations;
     using SysML2.NET.Core.POCO.Root.Elements;
@@ -81,6 +82,7 @@ public partial class InterfaceUsage : IInterfaceUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -89,9 +91,10 @@ public partial class InterfaceUsage : IInterfaceUsage
         [Property(xmiId: "_18_5_3_12e503d9_1533160674983_471497_43284", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IConnectionUsage.ConnectionDefinition")]
+        [Implements(implementation: "IConnector.Association")]
         public List<IAssociation> QueryAssociation()
         {
-            throw new NotImplementedException("Derived property Association not yet supported");
+            return this.ComputeAssociation();
         }
 
         /// <summary>
@@ -103,9 +106,10 @@ public List<IAssociation> QueryAssociation()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -117,9 +121,10 @@ public List<IFeature> QueryChainingFeature()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565471361757_649736_20796")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674983_471497_43284")]
         [RedefinedByProperty("IInterfaceUsage.InterfaceDefinition")]
+        [Implements(implementation: "IConnectionUsage.ConnectionDefinition")]
         public List<IAssociationStructure> QueryConnectionDefinition()
         {
-            throw new NotImplementedException("Derived property ConnectionDefinition not yet supported");
+            return this.ComputeConnectionDefinition();
         }
 
         /// <summary>
@@ -129,9 +134,10 @@ public List<IAssociationStructure> QueryConnectionDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1556735067666_827798_21922", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IConnector.ConnectorEnd")]
         public List<IFeature> QueryConnectorEnd()
         {
-            throw new NotImplementedException("Derived property ConnectorEnd not yet supported");
+            return this.ComputeConnectorEnd();
         }
 
         /// <summary>
@@ -141,15 +147,17 @@ public List<IFeature> QueryConnectorEnd()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -159,6 +167,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -167,9 +176,10 @@ public IFeature QueryCrossFeature()
         /// checkConnectorTypeFeaturing constraint.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737751598145_444042_71", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IConnector.DefaultFeaturingType")]
         public IType QueryDefaultFeaturingType()
         {
-            throw new NotImplementedException("Derived property DefaultFeaturingType not yet supported");
+            return this.ComputeDefaultFeaturingType();
         }
 
         /// <summary>
@@ -180,9 +190,10 @@ public IType QueryDefaultFeaturingType()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -195,9 +206,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -205,9 +217,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -216,9 +229,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -226,6 +240,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -234,9 +249,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -244,6 +260,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -252,9 +269,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IConnector.ConnectorEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -264,9 +282,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -274,9 +293,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -285,18 +305,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -306,9 +328,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -316,9 +339,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -326,9 +350,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -336,9 +361,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -347,9 +373,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -357,9 +384,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -367,9 +395,10 @@ public List<IFeature> QueryInput()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565499418349_431355_28798", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1594853499656_139435_802")]
+        [Implements(implementation: "IInterfaceUsage.InterfaceDefinition")]
         public List<IInterfaceDefinition> QueryInterfaceDefinition()
         {
-            throw new NotImplementedException("Derived property InterfaceDefinition not yet supported");
+            return this.ComputeInterfaceDefinition();
         }
 
         /// <summary>
@@ -382,9 +411,10 @@ public List<IInterfaceDefinition> QueryInterfaceDefinition()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -392,6 +422,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -400,15 +431,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -416,12 +449,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -435,6 +470,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -442,6 +478,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -452,6 +489,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -459,21 +497,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -481,15 +522,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -501,12 +544,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -514,13 +559,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -530,9 +578,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565471361757_649736_20796", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IItemUsage.ItemDefinition")]
         public List<IStructure> QueryItemDefinition()
         {
-            throw new NotImplementedException("Derived property ItemDefinition not yet supported");
+            return this.ComputeItemDefinition();
         }
 
         /// <summary>
@@ -545,9 +594,10 @@ public List<IStructure> QueryItemDefinition()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -555,9 +605,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -565,9 +616,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -577,9 +629,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -589,9 +642,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -599,9 +653,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -609,9 +664,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -619,9 +675,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -629,9 +686,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -639,9 +697,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -649,9 +708,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -659,9 +719,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -671,9 +732,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -681,9 +743,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -691,9 +754,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -701,9 +765,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -711,9 +776,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -721,9 +787,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -731,9 +798,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -741,9 +809,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -751,9 +820,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -761,9 +831,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -771,9 +842,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -781,9 +853,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -791,9 +864,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -801,9 +875,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -811,9 +886,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -822,9 +898,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -832,9 +909,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -842,9 +920,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -852,9 +931,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -862,9 +942,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -874,9 +955,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -884,9 +966,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -896,9 +979,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -907,9 +991,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -918,9 +1003,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -930,9 +1016,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -942,9 +1029,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -952,9 +1040,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -963,9 +1052,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -973,9 +1063,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -985,9 +1076,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -997,9 +1089,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1009,9 +1102,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1021,9 +1115,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1032,9 +1127,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1043,9 +1139,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1056,9 +1153,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1067,9 +1165,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1078,9 +1177,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1088,6 +1188,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -1095,6 +1196,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1104,9 +1206,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1116,9 +1219,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1128,9 +1232,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1140,9 +1245,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1151,9 +1257,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1161,9 +1268,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1172,9 +1280,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1182,9 +1291,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1193,9 +1303,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1204,9 +1315,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1214,6 +1326,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -1221,6 +1334,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1230,9 +1344,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1240,9 +1355,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1250,9 +1366,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591475180488_929065_121", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565471361757_649736_20796")]
+        [Implements(implementation: "IPartUsage.PartDefinition")]
         public List<IPartDefinition> QueryPartDefinition()
         {
-            throw new NotImplementedException("Derived property PartDefinition not yet supported");
+            return this.ComputePartDefinition();
         }
 
         /// <summary>
@@ -1261,6 +1378,7 @@ public List<IPartDefinition> QueryPartDefinition()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1272,9 +1390,10 @@ public List<IPartDefinition> QueryPartDefinition()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1283,9 +1402,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IConnector.RelatedFeature")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -1294,9 +1414,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_916334_43210", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IConnector.RelatedFeature")]
         public List<IFeature> QueryRelatedFeature()
         {
-            throw new NotImplementedException("Derived property RelatedFeature not yet supported");
+            return this.ComputeRelatedFeature();
         }
 
         /// <summary>
@@ -1306,9 +1427,10 @@ public List<IFeature> QueryRelatedFeature()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1316,7 +1438,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.SourceFeature")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConnector.SourceFeature")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedFeature for this Connector. It is the first relatedFeature.
@@ -1324,9 +1448,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594953058873_558253_3897", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConnector.SourceFeature")]
         public IFeature QuerySourceFeature()
         {
-            throw new NotImplementedException("Derived property SourceFeature not yet supported");
+            return this.ComputeSourceFeature();
         }
 
         /// <summary>
@@ -1334,7 +1459,9 @@ public IFeature QuerySourceFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.TargetFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConnector.TargetFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedFeatures for this Connector. This includes all the relatedFeatures other than the
@@ -1343,9 +1470,10 @@ public IFeature QuerySourceFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594953128207_991867_3946", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IConnector.TargetFeature")]
         public List<IFeature> QueryTargetFeature()
         {
-            throw new NotImplementedException("Derived property TargetFeature not yet supported");
+            return this.ComputeTargetFeature();
         }
 
         /// <summary>
@@ -1354,9 +1482,10 @@ public List<IFeature> QueryTargetFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1367,9 +1496,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1380,9 +1510,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1390,9 +1521,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1401,9 +1533,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1412,9 +1545,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Intersecting.cs b/SysML2.NET/Core/AutoGenPoco/Intersecting.cs
index 4bba2ef2..cd563bcb 100644
--- a/SysML2.NET/Core/AutoGenPoco/Intersecting.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Intersecting.cs
@@ -52,12 +52,14 @@ public partial class Intersecting : IIntersecting
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -67,6 +69,7 @@ public partial class Intersecting : IIntersecting
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -75,9 +78,10 @@ public partial class Intersecting : IIntersecting
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -85,6 +89,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -93,6 +98,7 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1623242559520_591868_537", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IIntersecting.IntersectingType")]
         public IType IntersectingType { get; set; }
 
         /// <summary>
@@ -100,6 +106,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -110,15 +117,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -128,9 +137,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -140,9 +150,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -150,9 +161,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -160,6 +172,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -167,6 +180,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -174,9 +188,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -185,9 +200,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -196,9 +212,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -206,6 +223,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -213,6 +231,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -224,9 +243,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -234,9 +254,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -246,9 +267,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -256,14 +278,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IIntersecting.TypeIntersected")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IIntersecting.TypeIntersected")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IIntersecting.IntersectingType")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IIntersecting.IntersectingType")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -271,9 +297,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -283,9 +310,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         [Property(xmiId: "_19_0_4_b9102da_1623242552145_149730_525", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IIntersecting.TypeIntersected")]
         public IType QueryTypeIntersected()
         {
-            throw new NotImplementedException("Derived property TypeIntersected not yet supported");
+            return this.ComputeTypeIntersected();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Invariant.cs b/SysML2.NET/Core/AutoGenPoco/Invariant.cs
index 8b3c7336..03e09552 100644
--- a/SysML2.NET/Core/AutoGenPoco/Invariant.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Invariant.cs
@@ -57,6 +57,7 @@ public partial class Invariant : IInvariant
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -65,9 +66,10 @@ public partial class Invariant : IInvariant
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -79,9 +81,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -91,15 +94,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -109,6 +114,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -121,9 +127,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -132,9 +139,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -142,6 +150,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -150,9 +159,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -160,6 +170,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -167,9 +178,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -179,9 +191,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -189,9 +202,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -200,18 +214,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -221,9 +237,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -232,9 +249,10 @@ public List<IType> QueryFeaturingType()
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("IBooleanExpression.Predicate")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -242,9 +260,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -252,9 +271,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -263,9 +283,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -273,9 +294,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -288,9 +310,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -298,6 +321,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -306,15 +330,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -322,12 +348,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -341,6 +369,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -351,15 +380,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -367,21 +398,24 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether this Invariant is asserted to be false rather than true.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623945815201_648891_36531", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IInvariant.IsNegated")]
         public bool IsNegated { get; set; }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -389,6 +423,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -400,12 +435,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -413,6 +450,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -420,9 +458,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -430,9 +469,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -442,9 +482,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -454,9 +495,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -464,9 +506,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -476,9 +519,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -487,9 +531,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -498,9 +543,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -510,9 +556,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -522,9 +569,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -532,9 +580,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -543,9 +592,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -553,9 +603,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -565,9 +616,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -577,9 +629,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -589,9 +642,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -601,9 +655,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -612,9 +667,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -623,9 +679,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -636,9 +693,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -647,9 +705,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -658,9 +717,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -668,6 +728,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -677,9 +738,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -689,9 +751,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -701,9 +764,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -713,9 +777,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -724,9 +789,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -734,9 +800,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -744,9 +811,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -755,9 +823,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -766,9 +835,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -776,6 +846,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -785,9 +856,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -796,9 +868,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -806,9 +879,10 @@ public List<IFeature> QueryParameter()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578025035149_386_969", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543948477241_299049_20934")]
+        [Implements(implementation: "IBooleanExpression.Predicate")]
         public IPredicate QueryPredicate()
         {
-            throw new NotImplementedException("Derived property Predicate not yet supported");
+            return this.ComputePredicate();
         }
 
         /// <summary>
@@ -820,9 +894,10 @@ public IPredicate QueryPredicate()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -833,9 +908,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -845,9 +921,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -856,9 +933,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -868,9 +946,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -881,9 +960,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/InvocationExpression.cs b/SysML2.NET/Core/AutoGenPoco/InvocationExpression.cs
index 4b46cc26..baffe2ac 100644
--- a/SysML2.NET/Core/AutoGenPoco/InvocationExpression.cs
+++ b/SysML2.NET/Core/AutoGenPoco/InvocationExpression.cs
@@ -61,6 +61,7 @@ public partial class InvocationExpression : IInvocationExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -70,9 +71,10 @@ public partial class InvocationExpression : IInvocationExpression
         /// InstantiationExpression.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134437590_328753_108", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IInstantiationExpression.Argument")]
         public List<IExpression> QueryArgument()
         {
-            throw new NotImplementedException("Derived property Argument not yet supported");
+            return this.ComputeArgument();
         }
 
         /// <summary>
@@ -81,9 +83,10 @@ public List<IExpression> QueryArgument()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -95,9 +98,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -107,15 +111,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -125,6 +131,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -137,9 +144,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -148,9 +156,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -158,6 +167,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -166,9 +176,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -176,6 +187,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -183,9 +195,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -195,9 +208,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -205,9 +219,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -216,18 +231,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -237,9 +254,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -247,9 +265,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -257,9 +276,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -267,9 +287,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -278,9 +299,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -288,9 +310,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -298,9 +321,10 @@ public List<IFeature> QueryInput()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134352572_416088_80", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IInstantiationExpression.InstantiatedType")]
         public IType QueryInstantiatedType()
         {
-            throw new NotImplementedException("Derived property InstantiatedType not yet supported");
+            return this.ComputeInstantiatedType();
         }
 
         /// <summary>
@@ -313,9 +337,10 @@ public IType QueryInstantiatedType()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -323,6 +348,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -331,15 +357,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -347,12 +375,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -366,6 +396,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -376,15 +407,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -392,15 +425,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -408,6 +443,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -419,12 +455,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -432,6 +470,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -439,9 +478,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -449,9 +489,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -461,9 +502,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -473,9 +515,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -483,9 +526,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -495,9 +539,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -506,9 +551,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -517,9 +563,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -529,9 +576,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -541,9 +589,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -551,9 +600,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -562,9 +612,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -572,9 +623,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -584,9 +636,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -596,9 +649,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -608,9 +662,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -620,9 +675,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -631,9 +687,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -642,9 +699,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -655,9 +713,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -666,9 +725,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -677,9 +737,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -687,6 +748,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -696,9 +758,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -708,9 +771,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -720,9 +784,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -732,9 +797,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -743,9 +809,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -753,9 +820,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -763,9 +831,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -774,9 +843,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -785,9 +855,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -795,6 +866,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -804,9 +876,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -815,9 +888,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -829,9 +903,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -842,9 +917,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -854,9 +930,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -865,9 +942,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -877,9 +955,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -890,9 +969,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ItemDefinition.cs b/SysML2.NET/Core/AutoGenPoco/ItemDefinition.cs
index c5425807..3cb24c3d 100644
--- a/SysML2.NET/Core/AutoGenPoco/ItemDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ItemDefinition.cs
@@ -79,12 +79,14 @@ public partial class ItemDefinition : IItemDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -94,6 +96,7 @@ public partial class ItemDefinition : IItemDefinition
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -106,9 +109,10 @@ public partial class ItemDefinition : IItemDefinition
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -116,9 +120,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -127,9 +132,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -138,9 +144,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -148,6 +155,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -155,9 +163,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -165,9 +174,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -176,9 +186,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -186,9 +197,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -196,9 +208,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -207,9 +220,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -217,9 +231,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -232,9 +247,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -242,15 +258,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -261,21 +279,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -287,6 +308,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -294,6 +316,7 @@ public bool QueryIsLibraryElement()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -301,9 +324,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -311,9 +335,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -323,9 +348,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -335,9 +361,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -345,9 +372,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -355,9 +383,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -365,9 +394,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -375,9 +405,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -387,9 +418,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -397,9 +429,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -407,9 +440,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -417,9 +451,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -427,9 +462,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -438,9 +474,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -450,9 +487,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -460,9 +498,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -472,9 +511,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -484,9 +524,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -494,9 +535,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -505,9 +547,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -515,9 +558,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -525,9 +569,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -537,9 +582,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -547,9 +593,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -559,9 +606,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -569,9 +617,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -580,9 +629,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -590,9 +640,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -601,9 +652,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -614,9 +666,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -624,9 +677,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -634,9 +688,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -644,9 +699,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -654,9 +710,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -664,9 +721,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -674,6 +732,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -681,9 +740,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -691,9 +751,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -703,9 +764,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -713,9 +775,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -724,9 +787,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -734,9 +798,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -745,9 +810,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -756,9 +822,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -766,9 +833,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -776,9 +844,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -786,9 +855,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -796,9 +866,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -806,9 +877,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -817,9 +889,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -828,9 +901,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -838,6 +912,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -849,9 +924,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -861,9 +937,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -872,9 +949,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -885,9 +963,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -895,9 +974,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -906,9 +986,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -918,9 +999,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ItemUsage.cs b/SysML2.NET/Core/AutoGenPoco/ItemUsage.cs
index 3e1ca534..bd047d8d 100644
--- a/SysML2.NET/Core/AutoGenPoco/ItemUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ItemUsage.cs
@@ -82,6 +82,7 @@ public partial class ItemUsage : IItemUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -93,9 +94,10 @@ public partial class ItemUsage : IItemUsage
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -105,15 +107,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -123,6 +127,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -133,9 +138,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -148,9 +154,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -158,9 +165,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -169,9 +177,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -179,6 +188,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -187,9 +197,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -197,6 +208,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -204,9 +216,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -216,9 +229,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -226,9 +240,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -237,18 +252,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -258,9 +275,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -268,9 +286,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -278,9 +297,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -288,9 +308,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -299,9 +320,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -309,9 +331,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -324,9 +347,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -334,6 +358,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -342,15 +367,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -358,12 +385,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -377,6 +406,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -387,6 +417,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -394,21 +425,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -416,15 +450,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -436,12 +472,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -449,13 +487,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -465,9 +506,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565471361757_649736_20796", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IItemUsage.ItemDefinition")]
         public List<IStructure> QueryItemDefinition()
         {
-            throw new NotImplementedException("Derived property ItemDefinition not yet supported");
+            return this.ComputeItemDefinition();
         }
 
         /// <summary>
@@ -480,9 +522,10 @@ public List<IStructure> QueryItemDefinition()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -490,9 +533,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -500,9 +544,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -512,9 +557,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -524,9 +570,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -534,9 +581,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -544,9 +592,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -554,9 +603,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -564,9 +614,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -574,9 +625,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -584,9 +636,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -594,9 +647,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -606,9 +660,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -626,9 +682,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -636,9 +693,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -646,9 +704,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -656,9 +715,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -666,9 +726,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -676,9 +737,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -686,9 +748,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -696,9 +759,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -706,9 +770,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -716,9 +781,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -726,9 +792,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -736,9 +803,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -746,9 +814,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -757,9 +826,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -767,9 +837,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -777,9 +848,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -787,9 +859,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -797,9 +870,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -809,9 +883,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -819,9 +894,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -831,9 +907,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -842,9 +919,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -853,9 +931,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -865,9 +944,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -877,9 +957,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -887,9 +968,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -898,9 +980,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -908,9 +991,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -920,9 +1004,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -932,9 +1017,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -944,9 +1030,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -956,9 +1043,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -967,9 +1055,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -978,9 +1067,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -991,9 +1081,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1002,9 +1093,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1013,9 +1105,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1023,6 +1116,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1032,9 +1126,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1044,9 +1139,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1056,9 +1152,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1068,9 +1165,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1079,9 +1177,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1089,9 +1188,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1100,9 +1200,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1110,9 +1211,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1121,9 +1223,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1132,9 +1235,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1142,6 +1246,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1151,9 +1256,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1161,9 +1267,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1172,6 +1279,7 @@ public IUsage QueryOwningUsage()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1183,9 +1291,10 @@ public IUsage QueryOwningUsage()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1195,9 +1304,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1206,9 +1316,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1219,9 +1330,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1232,9 +1344,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1242,9 +1355,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1253,9 +1367,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1264,9 +1379,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/JoinNode.cs b/SysML2.NET/Core/AutoGenPoco/JoinNode.cs
index 49a65c5e..a60d4153 100644
--- a/SysML2.NET/Core/AutoGenPoco/JoinNode.cs
+++ b/SysML2.NET/Core/AutoGenPoco/JoinNode.cs
@@ -84,15 +84,17 @@ public partial class JoinNode : IJoinNode
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -101,9 +103,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -115,9 +118,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -127,15 +131,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -145,6 +151,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -155,9 +162,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -170,9 +178,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -181,9 +190,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -192,9 +202,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -202,6 +213,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -210,9 +222,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -220,6 +233,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -227,9 +241,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -239,9 +254,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -249,9 +265,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -260,18 +277,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -281,9 +300,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -291,9 +311,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -301,9 +322,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -311,9 +333,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -322,9 +345,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -332,9 +356,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -347,9 +372,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -357,6 +383,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -365,15 +392,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -381,12 +410,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -400,6 +431,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -410,6 +442,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -417,21 +450,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -439,15 +475,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -459,12 +497,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -472,13 +512,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -491,9 +534,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -501,9 +545,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -511,9 +556,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -523,9 +569,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -535,9 +582,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -545,9 +593,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -555,9 +604,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -565,9 +615,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -575,9 +626,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -585,9 +637,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -595,9 +648,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -617,9 +672,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -627,9 +683,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -637,9 +694,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -647,9 +705,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -657,9 +716,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -667,9 +727,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -677,9 +738,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -687,9 +749,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -697,9 +760,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -707,9 +771,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -717,9 +782,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -727,9 +793,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -737,9 +804,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -747,9 +815,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -757,9 +826,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -768,9 +838,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -778,9 +849,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -788,9 +860,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -798,9 +871,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -808,9 +882,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -821,9 +896,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -831,9 +907,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -843,9 +920,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -854,9 +932,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -865,9 +944,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -877,9 +957,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -889,9 +970,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -899,9 +981,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -910,9 +993,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -920,9 +1004,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -932,9 +1017,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -944,9 +1030,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -956,9 +1043,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -968,9 +1056,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -979,9 +1068,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -990,9 +1080,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1003,9 +1094,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1014,9 +1106,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1025,9 +1118,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1035,6 +1129,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1044,9 +1139,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1056,9 +1152,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1068,9 +1165,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1080,9 +1178,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1091,9 +1190,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1101,9 +1201,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1112,9 +1213,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1122,9 +1224,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1133,9 +1236,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1144,9 +1248,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1154,6 +1259,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1163,9 +1269,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1173,9 +1280,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1184,9 +1292,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1195,6 +1304,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1206,9 +1316,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1218,9 +1329,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1229,9 +1341,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1242,9 +1355,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1255,9 +1369,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1265,9 +1380,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1276,9 +1392,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1287,9 +1404,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/LibraryPackage.cs b/SysML2.NET/Core/AutoGenPoco/LibraryPackage.cs
index 3eb3a670..5ac6ba2a 100644
--- a/SysML2.NET/Core/AutoGenPoco/LibraryPackage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/LibraryPackage.cs
@@ -53,12 +53,14 @@ public partial class LibraryPackage : ILibraryPackage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -68,6 +70,7 @@ public partial class LibraryPackage : ILibraryPackage
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -76,9 +79,10 @@ public partial class LibraryPackage : ILibraryPackage
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -86,6 +90,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -94,9 +99,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1607033896050_867332_6206", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IPackage.FilterCondition")]
         public List<IExpression> QueryFilterCondition()
         {
-            throw new NotImplementedException("Derived property FilterCondition not yet supported");
+            return this.ComputeFilterCondition();
         }
 
         /// <summary>
@@ -104,9 +110,10 @@ public List<IExpression> QueryFilterCondition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -117,15 +124,17 @@ public List<IMembership> QueryImportedMembership()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -134,6 +143,7 @@ public bool QueryIsLibraryElement()
         /// language built on KerML.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665459011301_65344_899", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "ILibraryPackage.IsStandard")]
         public bool IsStandard { get; set; }
 
         /// <summary>
@@ -141,9 +151,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -151,9 +162,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -163,9 +175,10 @@ public List<IMembership> QueryMembership()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -175,9 +188,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -185,9 +199,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -197,9 +212,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -208,9 +224,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -221,9 +238,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -231,6 +249,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -238,9 +257,10 @@ public List<IMembership> QueryOwnedMembership()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -249,9 +269,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -260,9 +281,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -270,6 +292,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -281,9 +304,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -293,9 +317,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -304,9 +329,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/LiteralBoolean.cs b/SysML2.NET/Core/AutoGenPoco/LiteralBoolean.cs
index 6ab9caec..e1ba0f9d 100644
--- a/SysML2.NET/Core/AutoGenPoco/LiteralBoolean.cs
+++ b/SysML2.NET/Core/AutoGenPoco/LiteralBoolean.cs
@@ -57,6 +57,7 @@ public partial class LiteralBoolean : ILiteralBoolean
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -65,9 +66,10 @@ public partial class LiteralBoolean : ILiteralBoolean
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -79,9 +81,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -91,15 +94,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -109,6 +114,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -121,9 +127,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -132,9 +139,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -142,6 +150,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -150,9 +159,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -160,6 +170,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -167,9 +178,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -179,9 +191,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -189,9 +202,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -200,18 +214,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -221,9 +237,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -231,9 +248,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -241,9 +259,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -251,9 +270,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -262,9 +282,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -272,9 +293,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -287,9 +309,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -297,6 +320,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -305,15 +329,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -321,12 +347,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -340,6 +368,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -350,15 +379,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -366,15 +397,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -382,6 +415,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -393,12 +427,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -406,6 +442,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -413,9 +450,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -423,9 +461,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -435,9 +474,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -447,9 +487,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -457,9 +498,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -469,9 +511,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -480,9 +523,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -491,9 +535,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -503,9 +548,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -515,9 +561,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -525,9 +572,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -536,9 +584,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -546,9 +595,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -558,9 +608,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -570,9 +621,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -582,9 +634,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -594,9 +647,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -629,9 +685,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -651,9 +709,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -661,6 +720,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -670,9 +730,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -682,9 +743,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -694,9 +756,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -706,9 +769,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -717,9 +781,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -727,9 +792,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -737,9 +803,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -748,9 +815,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -759,9 +827,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -769,6 +838,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -778,9 +848,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -789,9 +860,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -803,9 +875,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -816,9 +889,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -828,9 +902,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -839,9 +914,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -851,9 +927,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -864,15 +941,17 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
         /// The Boolean value that is the result of evaluating this LiteralBoolean.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674984_421338_43289", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ILiteralBoolean.Value")]
         public bool Value { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/LiteralExpression.cs b/SysML2.NET/Core/AutoGenPoco/LiteralExpression.cs
index 5f0b1d64..8c2f99cf 100644
--- a/SysML2.NET/Core/AutoGenPoco/LiteralExpression.cs
+++ b/SysML2.NET/Core/AutoGenPoco/LiteralExpression.cs
@@ -56,6 +56,7 @@ public partial class LiteralExpression : ILiteralExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -64,9 +65,10 @@ public partial class LiteralExpression : ILiteralExpression
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -78,9 +80,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -90,15 +93,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -108,6 +113,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -120,9 +126,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -131,9 +138,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -141,6 +149,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -149,9 +158,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -159,6 +169,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -166,9 +177,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -178,9 +190,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -188,9 +201,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -199,18 +213,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -220,9 +236,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -230,9 +247,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -240,9 +258,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -250,9 +269,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -261,9 +281,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -271,9 +292,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -286,9 +308,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -296,6 +319,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -304,15 +328,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -320,12 +346,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -339,6 +367,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -349,15 +378,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -365,15 +396,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -381,6 +414,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -392,12 +426,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -405,6 +441,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -412,9 +449,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -422,9 +460,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -434,9 +473,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -446,9 +486,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -456,9 +497,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -468,9 +510,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -479,9 +522,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -490,9 +534,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -502,9 +547,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -514,9 +560,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -524,9 +571,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -535,9 +583,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -545,9 +594,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -557,9 +607,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -569,9 +620,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -581,9 +633,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -593,9 +646,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -604,9 +658,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -615,9 +670,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -628,9 +684,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -639,9 +696,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -650,9 +708,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -660,6 +719,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -669,9 +729,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -681,9 +742,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -693,9 +755,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -705,9 +768,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -716,9 +780,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -726,9 +791,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -736,9 +802,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -747,9 +814,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -758,9 +826,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -768,6 +837,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -777,9 +847,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -788,9 +859,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -802,9 +874,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -815,9 +888,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -827,9 +901,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -838,9 +913,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -850,9 +926,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -863,9 +940,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/LiteralInfinity.cs b/SysML2.NET/Core/AutoGenPoco/LiteralInfinity.cs
index e16814e7..5874ca9b 100644
--- a/SysML2.NET/Core/AutoGenPoco/LiteralInfinity.cs
+++ b/SysML2.NET/Core/AutoGenPoco/LiteralInfinity.cs
@@ -57,6 +57,7 @@ public partial class LiteralInfinity : ILiteralInfinity
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -65,9 +66,10 @@ public partial class LiteralInfinity : ILiteralInfinity
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -79,9 +81,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -91,15 +94,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -109,6 +114,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -121,9 +127,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -132,9 +139,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -142,6 +150,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -150,9 +159,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -160,6 +170,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -167,9 +178,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -179,9 +191,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -189,9 +202,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -200,18 +214,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -221,9 +237,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -231,9 +248,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -241,9 +259,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -251,9 +270,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -262,9 +282,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -272,9 +293,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -287,9 +309,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -297,6 +320,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -305,15 +329,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -321,12 +347,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -340,6 +368,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -350,15 +379,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -366,15 +397,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -382,6 +415,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -393,12 +427,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -406,6 +442,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -413,9 +450,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -423,9 +461,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -435,9 +474,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -447,9 +487,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -457,9 +498,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -469,9 +511,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -480,9 +523,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -491,9 +535,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -503,9 +548,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -515,9 +561,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -525,9 +572,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -536,9 +584,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -546,9 +595,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -558,9 +608,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -570,9 +621,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -582,9 +634,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -594,9 +647,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -629,9 +685,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -651,9 +709,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -661,6 +720,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -670,9 +730,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -682,9 +743,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -694,9 +756,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -706,9 +769,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -717,9 +781,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -727,9 +792,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -737,9 +803,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -748,9 +815,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -759,9 +827,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -769,6 +838,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -778,9 +848,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -789,9 +860,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -803,9 +875,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -816,9 +889,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -828,9 +902,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -839,9 +914,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -851,9 +927,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -864,9 +941,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/LiteralInteger.cs b/SysML2.NET/Core/AutoGenPoco/LiteralInteger.cs
index 7033d72c..b679d3ab 100644
--- a/SysML2.NET/Core/AutoGenPoco/LiteralInteger.cs
+++ b/SysML2.NET/Core/AutoGenPoco/LiteralInteger.cs
@@ -57,6 +57,7 @@ public partial class LiteralInteger : ILiteralInteger
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -65,9 +66,10 @@ public partial class LiteralInteger : ILiteralInteger
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -79,9 +81,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -91,15 +94,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -109,6 +114,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -121,9 +127,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -132,9 +139,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -142,6 +150,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -150,9 +159,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -160,6 +170,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -167,9 +178,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -179,9 +191,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -189,9 +202,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -200,18 +214,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -221,9 +237,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -231,9 +248,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -241,9 +259,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -251,9 +270,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -262,9 +282,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -272,9 +293,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -287,9 +309,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -297,6 +320,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -305,15 +329,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -321,12 +347,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -340,6 +368,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -350,15 +379,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -366,15 +397,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -382,6 +415,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -393,12 +427,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -406,6 +442,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -413,9 +450,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -423,9 +461,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -435,9 +474,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -447,9 +487,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -457,9 +498,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -469,9 +511,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -480,9 +523,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -491,9 +535,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -503,9 +548,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -515,9 +561,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -525,9 +572,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -536,9 +584,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -546,9 +595,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -558,9 +608,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -570,9 +621,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -582,9 +634,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -594,9 +647,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -629,9 +685,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -651,9 +709,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -661,6 +720,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -670,9 +730,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -682,9 +743,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -694,9 +756,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -706,9 +769,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -717,9 +781,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -727,9 +792,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -737,9 +803,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -748,9 +815,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -759,9 +827,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -769,6 +838,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -778,9 +848,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -789,9 +860,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -803,9 +875,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -816,9 +889,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -828,9 +902,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -839,9 +914,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -851,9 +927,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -864,15 +941,17 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
         /// The Integer value that is the result of evaluating this LiteralInteger.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674965_358889_43199", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ILiteralInteger.Value")]
         public int Value { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/LiteralRational.cs b/SysML2.NET/Core/AutoGenPoco/LiteralRational.cs
index 17ffc7d7..ecd80ce1 100644
--- a/SysML2.NET/Core/AutoGenPoco/LiteralRational.cs
+++ b/SysML2.NET/Core/AutoGenPoco/LiteralRational.cs
@@ -57,6 +57,7 @@ public partial class LiteralRational : ILiteralRational
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -65,9 +66,10 @@ public partial class LiteralRational : ILiteralRational
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -79,9 +81,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -91,15 +94,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -109,6 +114,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -121,9 +127,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -132,9 +139,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -142,6 +150,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -150,9 +159,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -160,6 +170,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -167,9 +178,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -179,9 +191,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -189,9 +202,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -200,18 +214,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -221,9 +237,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -231,9 +248,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -241,9 +259,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -251,9 +270,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -262,9 +282,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -272,9 +293,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -287,9 +309,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -297,6 +320,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -305,15 +329,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -321,12 +347,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -340,6 +368,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -350,15 +379,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -366,15 +397,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -382,6 +415,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -393,12 +427,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -406,6 +442,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -413,9 +450,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -423,9 +461,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -435,9 +474,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -447,9 +487,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -457,9 +498,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -469,9 +511,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -480,9 +523,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -491,9 +535,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -503,9 +548,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -515,9 +561,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -525,9 +572,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -536,9 +584,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -546,9 +595,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -558,9 +608,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -570,9 +621,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -582,9 +634,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -594,9 +647,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -629,9 +685,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -651,9 +709,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -661,6 +720,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -670,9 +730,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -682,9 +743,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -694,9 +756,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -706,9 +769,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -717,9 +781,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -727,9 +792,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -737,9 +803,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -748,9 +815,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -759,9 +827,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -769,6 +838,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -778,9 +848,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -789,9 +860,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -803,9 +875,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -816,9 +889,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -828,9 +902,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -839,9 +914,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -851,9 +927,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -864,15 +941,17 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
         /// The value whose rational approximation is the result of evaluating this LiteralRational.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_967605_43310", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ILiteralRational.Value")]
         public double Value { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/LiteralString.cs b/SysML2.NET/Core/AutoGenPoco/LiteralString.cs
index 760cb3e8..0faee904 100644
--- a/SysML2.NET/Core/AutoGenPoco/LiteralString.cs
+++ b/SysML2.NET/Core/AutoGenPoco/LiteralString.cs
@@ -57,6 +57,7 @@ public partial class LiteralString : ILiteralString
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -65,9 +66,10 @@ public partial class LiteralString : ILiteralString
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -79,9 +81,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -91,15 +94,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -109,6 +114,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -121,9 +127,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -132,9 +139,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -142,6 +150,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -150,9 +159,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -160,6 +170,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -167,9 +178,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -179,9 +191,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -189,9 +202,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -200,18 +214,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -221,9 +237,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -231,9 +248,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -241,9 +259,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -251,9 +270,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -262,9 +282,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -272,9 +293,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -287,9 +309,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -297,6 +320,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -305,15 +329,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -321,12 +347,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -340,6 +368,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -350,15 +379,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -366,15 +397,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -382,6 +415,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -393,12 +427,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -406,6 +442,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -413,9 +450,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -423,9 +461,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -435,9 +474,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -447,9 +487,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -457,9 +498,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -469,9 +511,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -480,9 +523,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -491,9 +535,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -503,9 +548,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -515,9 +561,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -525,9 +572,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -536,9 +584,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -546,9 +595,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -558,9 +608,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -570,9 +621,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -582,9 +634,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -594,9 +647,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -629,9 +685,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -651,9 +709,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -661,6 +720,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -670,9 +730,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -682,9 +743,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -694,9 +756,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -706,9 +769,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -717,9 +781,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -727,9 +792,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -737,9 +803,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -748,9 +815,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -759,9 +827,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -769,6 +838,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -778,9 +848,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -789,9 +860,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -803,9 +875,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -816,9 +889,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -828,9 +902,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -839,9 +914,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -851,9 +927,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -864,15 +941,17 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
         /// The String value that is the result of evaluating this Expression.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674985_368212_43297", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ILiteralString.Value")]
         public string Value { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/LoopActionUsage.cs b/SysML2.NET/Core/AutoGenPoco/LoopActionUsage.cs
index a78fc80b..1c5a38d5 100644
--- a/SysML2.NET/Core/AutoGenPoco/LoopActionUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/LoopActionUsage.cs
@@ -85,15 +85,17 @@ public partial class LoopActionUsage : ILoopActionUsage
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -102,9 +104,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -112,9 +115,10 @@ public List<IBehavior> QueryBehavior()
         /// LoopActionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624203902575_509097_3869", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ILoopActionUsage.BodyAction")]
         public IActionUsage QueryBodyAction()
         {
-            throw new NotImplementedException("Derived property BodyAction not yet supported");
+            return this.ComputeBodyAction();
         }
 
         /// <summary>
@@ -126,9 +130,10 @@ public IActionUsage QueryBodyAction()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -138,15 +143,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -156,6 +163,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -166,9 +174,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -181,9 +190,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -192,9 +202,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -203,9 +214,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -213,6 +225,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -221,9 +234,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -231,6 +245,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -238,9 +253,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -250,9 +266,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -260,9 +277,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -271,18 +289,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -292,9 +312,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -302,9 +323,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -312,9 +334,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -322,9 +345,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -333,9 +357,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -343,9 +368,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -358,9 +384,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -368,6 +395,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -376,15 +404,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -392,12 +422,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -411,6 +443,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -421,6 +454,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -428,21 +462,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -450,15 +487,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -470,12 +509,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -483,13 +524,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -502,9 +546,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -512,9 +557,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -522,9 +568,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -534,9 +581,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -546,9 +594,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -556,9 +605,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -566,9 +616,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -576,9 +627,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -586,9 +638,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -596,9 +649,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -606,9 +660,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -628,9 +684,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -638,9 +695,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -648,9 +706,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -658,9 +717,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -668,9 +728,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -678,9 +739,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -688,9 +750,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -698,9 +761,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -708,9 +772,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -718,9 +783,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -728,9 +794,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -738,9 +805,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -748,9 +816,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -758,9 +827,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -768,9 +838,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -779,9 +850,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -789,9 +861,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -799,9 +872,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -809,9 +883,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -819,9 +894,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -832,9 +908,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -842,9 +919,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -854,9 +932,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -865,9 +944,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -876,9 +956,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -888,9 +969,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -900,9 +982,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -910,9 +993,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -921,9 +1005,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -931,9 +1016,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -943,9 +1029,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -955,9 +1042,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -967,9 +1055,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -979,9 +1068,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -990,9 +1080,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1001,9 +1092,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1014,9 +1106,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1025,9 +1118,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1036,9 +1130,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1046,6 +1141,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1055,9 +1151,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1067,9 +1164,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1079,9 +1177,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1091,9 +1190,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1102,9 +1202,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1112,9 +1213,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1123,9 +1225,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1133,9 +1236,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1144,9 +1248,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1155,9 +1260,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1165,6 +1271,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1174,9 +1281,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1184,9 +1292,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1195,9 +1304,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1206,6 +1316,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1217,9 +1328,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1229,9 +1341,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1240,9 +1353,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1253,9 +1367,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1266,9 +1381,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1276,9 +1392,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1287,9 +1404,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1298,9 +1416,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Membership.cs b/SysML2.NET/Core/AutoGenPoco/Membership.cs
index 323270eb..bc8191c3 100644
--- a/SysML2.NET/Core/AutoGenPoco/Membership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Membership.cs
@@ -57,12 +57,14 @@ public partial class Membership : IMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -72,6 +74,7 @@ public partial class Membership : IMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -80,9 +83,10 @@ public partial class Membership : IMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -90,6 +94,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -97,6 +102,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -107,15 +113,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -123,21 +131,24 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IMembership.MemberElement")]
         public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IMembership.MemberName")]
         public string MemberName { get; set; }
 
         /// <summary>
@@ -147,15 +158,17 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_531296_43182")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IMembership.MemberShortName")]
         public string MemberShortName { get; set; }
 
         /// <summary>
@@ -165,9 +178,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -177,9 +191,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -187,9 +202,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -197,6 +213,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -204,6 +221,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -211,9 +229,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -222,9 +241,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -233,9 +253,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -243,6 +264,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -250,6 +272,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -261,9 +284,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -271,9 +295,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -283,9 +308,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -293,14 +319,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -308,9 +338,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -318,6 +349,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/MembershipExpose.cs b/SysML2.NET/Core/AutoGenPoco/MembershipExpose.cs
index 1a90d07b..df4ea478 100644
--- a/SysML2.NET/Core/AutoGenPoco/MembershipExpose.cs
+++ b/SysML2.NET/Core/AutoGenPoco/MembershipExpose.cs
@@ -53,12 +53,14 @@ public partial class MembershipExpose : IMembershipExpose
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -68,6 +70,7 @@ public partial class MembershipExpose : IMembershipExpose
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -76,9 +79,10 @@ public partial class MembershipExpose : IMembershipExpose
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -86,6 +90,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -93,9 +98,10 @@ public List<IDocumentation> QueryDocumentation()
         /// of the importedMembership. For a NamespaceImport, it is the importedNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1668801846848_909736_64", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IImport.ImportedElement")]
         public IElement QueryImportedElement()
         {
-            throw new NotImplementedException("Derived property ImportedElement not yet supported");
+            return this.ComputeImportedElement();
         }
 
         /// <summary>
@@ -103,6 +109,7 @@ public IElement QueryImportedElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1668466089734_604404_605", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IMembershipImport.ImportedMembership")]
         public IMembership ImportedMembership { get; set; }
 
         /// <summary>
@@ -112,9 +119,10 @@ public IElement QueryImportedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_548878_43248", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IImport.ImportOwningNamespace")]
         public INamespace QueryImportOwningNamespace()
         {
-            throw new NotImplementedException("Derived property ImportOwningNamespace not yet supported");
+            return this.ComputeImportOwningNamespace();
         }
 
         /// <summary>
@@ -122,6 +130,7 @@ public INamespace QueryImportOwningNamespace()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -132,34 +141,40 @@ public INamespace QueryImportOwningNamespace()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether to import memberships without regard to declared visibility.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1622577942205_869984_64", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IExpose.IsImportAll")] bool Root.Namespaces.IImport.IsImportAll { get; set; }
+        [RedefinedByProperty("IExpose.IsImportAll")]
+        [Implements(implementation: "IImport.IsImportAll")]
+        bool Root.Namespaces.IImport.IsImportAll { get; set; }
 
         /// <summary>
         /// An Expose always imports all Elements, regardless of visibility (isImportAll = true).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1622578615027_762161_80", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1622577942205_869984_64")]
+        [Implements(implementation: "IExpose.IsImportAll")]
         bool IExpose.IsImportAll { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether to recursively import Memberships from visible, owned sub-Namespaces.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1605759116711_596237_5033", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IImport.IsRecursive")]
         public bool IsRecursive { get; set; }
 
         /// <summary>
@@ -169,9 +184,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -181,9 +197,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -191,9 +208,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -201,6 +219,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -208,6 +227,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -215,9 +235,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -226,9 +247,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -237,9 +259,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -247,6 +270,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -254,6 +278,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -265,9 +290,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -275,9 +301,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -287,9 +314,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -297,14 +325,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IImport.ImportOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IImport.ImportOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembershipImport.ImportedMembership")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembershipImport.ImportedMembership")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -312,9 +344,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -322,13 +355,16 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// The default is private.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674976_798509_43257", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "private")]
-        [RedefinedByProperty("IExpose.Visibility")] VisibilityKind Root.Namespaces.IImport.Visibility { get; set; }
+        [RedefinedByProperty("IExpose.Visibility")]
+        [Implements(implementation: "IImport.Visibility")]
+        VisibilityKind Root.Namespaces.IImport.Visibility { get; set; }
 
         /// <summary>
         /// An Expose always has protected visibility.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1720469034555_222060_1140", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "protected")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674976_798509_43257")]
+        [Implements(implementation: "IExpose.Visibility")]
         VisibilityKind IExpose.Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/MembershipImport.cs b/SysML2.NET/Core/AutoGenPoco/MembershipImport.cs
index 5d30837b..c00b3bb8 100644
--- a/SysML2.NET/Core/AutoGenPoco/MembershipImport.cs
+++ b/SysML2.NET/Core/AutoGenPoco/MembershipImport.cs
@@ -53,12 +53,14 @@ public partial class MembershipImport : IMembershipImport
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -68,6 +70,7 @@ public partial class MembershipImport : IMembershipImport
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -76,9 +79,10 @@ public partial class MembershipImport : IMembershipImport
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -86,6 +90,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -93,9 +98,10 @@ public List<IDocumentation> QueryDocumentation()
         /// of the importedMembership. For a NamespaceImport, it is the importedNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1668801846848_909736_64", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IImport.ImportedElement")]
         public IElement QueryImportedElement()
         {
-            throw new NotImplementedException("Derived property ImportedElement not yet supported");
+            return this.ComputeImportedElement();
         }
 
         /// <summary>
@@ -103,6 +109,7 @@ public IElement QueryImportedElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1668466089734_604404_605", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IMembershipImport.ImportedMembership")]
         public IMembership ImportedMembership { get; set; }
 
         /// <summary>
@@ -112,9 +119,10 @@ public IElement QueryImportedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_548878_43248", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IImport.ImportOwningNamespace")]
         public INamespace QueryImportOwningNamespace()
         {
-            throw new NotImplementedException("Derived property ImportOwningNamespace not yet supported");
+            return this.ComputeImportOwningNamespace();
         }
 
         /// <summary>
@@ -122,6 +130,7 @@ public INamespace QueryImportOwningNamespace()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -132,27 +141,31 @@ public INamespace QueryImportOwningNamespace()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether to import memberships without regard to declared visibility.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1622577942205_869984_64", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IImport.IsImportAll")]
         public bool IsImportAll { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether to recursively import Memberships from visible, owned sub-Namespaces.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1605759116711_596237_5033", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IImport.IsRecursive")]
         public bool IsRecursive { get; set; }
 
         /// <summary>
@@ -162,9 +175,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -174,9 +188,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -184,9 +199,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -194,6 +210,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -201,6 +218,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -208,9 +226,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -219,9 +238,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -230,9 +250,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -240,6 +261,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -247,6 +269,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -258,9 +281,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -268,9 +292,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -280,9 +305,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -290,14 +316,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IImport.ImportOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IImport.ImportOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembershipImport.ImportedMembership")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembershipImport.ImportedMembership")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -305,9 +335,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -315,6 +346,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// The default is private.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674976_798509_43257", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "private")]
+        [Implements(implementation: "IImport.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/MergeNode.cs b/SysML2.NET/Core/AutoGenPoco/MergeNode.cs
index b0a8405d..819b6111 100644
--- a/SysML2.NET/Core/AutoGenPoco/MergeNode.cs
+++ b/SysML2.NET/Core/AutoGenPoco/MergeNode.cs
@@ -84,15 +84,17 @@ public partial class MergeNode : IMergeNode
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -101,9 +103,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -115,9 +118,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -127,15 +131,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -145,6 +151,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -155,9 +162,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -170,9 +178,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -181,9 +190,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -192,9 +202,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -202,6 +213,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -210,9 +222,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -220,6 +233,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -227,9 +241,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -239,9 +254,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -249,9 +265,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -260,18 +277,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -281,9 +300,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -291,9 +311,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -301,9 +322,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -311,9 +333,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -322,9 +345,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -332,9 +356,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -347,9 +372,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -357,6 +383,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -365,15 +392,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -381,12 +410,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -400,6 +431,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -410,6 +442,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -417,21 +450,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -439,15 +475,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -459,12 +497,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -472,13 +512,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -491,9 +534,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -501,9 +545,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -511,9 +556,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -523,9 +569,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -535,9 +582,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -545,9 +593,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -555,9 +604,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -565,9 +615,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -575,9 +626,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -585,9 +637,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -595,9 +648,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -617,9 +672,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -627,9 +683,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -637,9 +694,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -647,9 +705,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -657,9 +716,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -667,9 +727,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -677,9 +738,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -687,9 +749,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -697,9 +760,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -707,9 +771,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -717,9 +782,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -727,9 +793,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -737,9 +804,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -747,9 +815,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -757,9 +826,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -768,9 +838,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -778,9 +849,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -788,9 +860,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -798,9 +871,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -808,9 +882,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -821,9 +896,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -831,9 +907,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -843,9 +920,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -854,9 +932,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -865,9 +944,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -877,9 +957,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -889,9 +970,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -899,9 +981,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -910,9 +993,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -920,9 +1004,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -932,9 +1017,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -944,9 +1030,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -956,9 +1043,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -968,9 +1056,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -979,9 +1068,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -990,9 +1080,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1003,9 +1094,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1014,9 +1106,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1025,9 +1118,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1035,6 +1129,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1044,9 +1139,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1056,9 +1152,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1068,9 +1165,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1080,9 +1178,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1091,9 +1190,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1101,9 +1201,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1112,9 +1213,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1122,9 +1224,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1133,9 +1236,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1144,9 +1248,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1154,6 +1259,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1163,9 +1269,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1173,9 +1280,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1184,9 +1292,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1195,6 +1304,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1206,9 +1316,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1218,9 +1329,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1229,9 +1341,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1242,9 +1355,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1255,9 +1369,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1265,9 +1380,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1276,9 +1392,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1287,9 +1404,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Metaclass.cs b/SysML2.NET/Core/AutoGenPoco/Metaclass.cs
index ab1d61da..525b71a1 100644
--- a/SysML2.NET/Core/AutoGenPoco/Metaclass.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Metaclass.cs
@@ -55,12 +55,14 @@ public partial class Metaclass : IMetaclass
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -70,6 +72,7 @@ public partial class Metaclass : IMetaclass
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -82,9 +85,10 @@ public partial class Metaclass : IMetaclass
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -92,9 +96,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -103,9 +108,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -113,6 +119,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -120,9 +127,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -130,9 +138,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -141,9 +150,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -151,9 +161,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -161,9 +172,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -172,9 +184,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -182,9 +195,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -197,9 +211,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -207,15 +222,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -226,15 +243,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -246,6 +265,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -253,9 +273,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -263,9 +284,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -275,9 +297,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -287,9 +310,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -297,9 +321,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -309,9 +334,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -320,9 +346,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -332,9 +359,10 @@ public IConjugation QueryOwnedConjugator()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -344,9 +372,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -354,9 +383,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -365,9 +395,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -375,9 +406,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -387,9 +419,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -399,9 +432,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -410,9 +444,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -421,9 +456,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -434,9 +470,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -444,6 +481,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -453,9 +491,10 @@ public List<IMembership> QueryOwnedMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -464,9 +503,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -475,9 +515,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -485,9 +526,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -496,9 +538,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -507,9 +550,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -517,6 +561,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -528,9 +573,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -540,9 +586,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -551,9 +598,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -564,9 +612,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/MetadataAccessExpression.cs b/SysML2.NET/Core/AutoGenPoco/MetadataAccessExpression.cs
index f09be129..f822e87c 100644
--- a/SysML2.NET/Core/AutoGenPoco/MetadataAccessExpression.cs
+++ b/SysML2.NET/Core/AutoGenPoco/MetadataAccessExpression.cs
@@ -59,6 +59,7 @@ public partial class MetadataAccessExpression : IMetadataAccessExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -67,9 +68,10 @@ public partial class MetadataAccessExpression : IMetadataAccessExpression
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -81,9 +83,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -93,15 +96,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -111,6 +116,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -123,9 +129,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -134,9 +141,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -144,6 +152,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -152,9 +161,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -162,6 +172,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -169,9 +180,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -181,9 +193,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -191,9 +204,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -202,18 +216,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -223,9 +239,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -233,9 +250,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -243,9 +261,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -253,9 +272,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -264,9 +284,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -274,9 +295,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -289,9 +311,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -299,6 +322,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -307,15 +331,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -323,12 +349,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -342,6 +370,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -352,15 +381,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -368,15 +399,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -384,6 +417,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -395,12 +429,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -408,6 +444,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -415,9 +452,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -425,9 +463,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -437,9 +476,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -449,9 +489,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -459,9 +500,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -471,9 +513,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -482,9 +525,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -493,9 +537,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -505,9 +550,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -517,9 +563,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -527,9 +574,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -538,9 +586,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -548,9 +597,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -560,9 +610,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -572,9 +623,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -584,9 +636,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -596,9 +649,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -607,9 +661,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -618,9 +673,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -631,9 +687,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -642,9 +699,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -653,9 +711,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -663,6 +722,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -672,9 +732,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -684,9 +745,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -696,9 +758,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -708,9 +771,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -719,9 +783,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -729,9 +794,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -739,9 +805,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -750,9 +817,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -761,9 +829,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -771,6 +840,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -780,9 +850,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -791,9 +862,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -805,9 +877,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -815,9 +888,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665514131655_247232_1341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IMetadataAccessExpression.ReferencedElement")]
         public IElement QueryReferencedElement()
         {
-            throw new NotImplementedException("Derived property ReferencedElement not yet supported");
+            return this.ComputeReferencedElement();
         }
 
         /// <summary>
@@ -828,9 +902,10 @@ public IElement QueryReferencedElement()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -840,9 +915,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -851,9 +927,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -863,9 +940,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -876,9 +954,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/MetadataDefinition.cs b/SysML2.NET/Core/AutoGenPoco/MetadataDefinition.cs
index 2e16d51f..5ab1f68c 100644
--- a/SysML2.NET/Core/AutoGenPoco/MetadataDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/MetadataDefinition.cs
@@ -76,12 +76,14 @@ public partial class MetadataDefinition : IMetadataDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -91,6 +93,7 @@ public partial class MetadataDefinition : IMetadataDefinition
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -103,9 +106,10 @@ public partial class MetadataDefinition : IMetadataDefinition
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -113,9 +117,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -124,9 +129,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -135,9 +141,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -145,6 +152,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -152,9 +160,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -162,9 +171,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -173,9 +183,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -183,9 +194,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -193,9 +205,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -204,9 +217,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -214,9 +228,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -229,9 +244,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -239,15 +255,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -258,21 +276,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -284,6 +305,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -291,6 +313,7 @@ public bool QueryIsLibraryElement()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -298,9 +321,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -308,9 +332,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -320,9 +345,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -332,9 +358,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -342,9 +369,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -352,9 +380,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -362,9 +391,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -372,9 +402,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -384,9 +415,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -394,9 +426,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -404,9 +437,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -414,9 +448,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -424,9 +459,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -435,9 +471,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -447,9 +484,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -457,9 +495,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -469,9 +508,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -481,9 +521,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -491,9 +532,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -502,9 +544,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -512,9 +555,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -522,9 +566,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -534,9 +579,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -544,9 +590,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -556,9 +603,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -566,9 +614,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -577,9 +626,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -587,9 +637,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -598,9 +649,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -611,9 +663,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -621,9 +674,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -631,9 +685,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -641,9 +696,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -651,9 +707,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -661,9 +718,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -671,6 +729,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -678,9 +737,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -688,9 +748,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -700,9 +761,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -710,9 +772,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -721,9 +784,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -731,9 +795,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -742,9 +807,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -753,9 +819,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -763,9 +830,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -773,9 +841,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -783,9 +852,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -793,9 +863,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -803,9 +874,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -814,9 +886,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -825,9 +898,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -835,6 +909,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -846,9 +921,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -858,9 +934,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -869,9 +946,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -882,9 +960,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -892,9 +971,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -903,9 +983,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -915,9 +996,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/MetadataFeature.cs b/SysML2.NET/Core/AutoGenPoco/MetadataFeature.cs
index 4b6c8c31..8b407d70 100644
--- a/SysML2.NET/Core/AutoGenPoco/MetadataFeature.cs
+++ b/SysML2.NET/Core/AutoGenPoco/MetadataFeature.cs
@@ -56,6 +56,7 @@ public partial class MetadataFeature : IMetadataFeature
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -64,9 +65,10 @@ public partial class MetadataFeature : IMetadataFeature
         /// AnnotatingElement.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594145755058_99428_86", aggregation: AggregationKind.None, lowerValue: 1, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IAnnotatingElement.AnnotatedElement")]
         public List<IElement> QueryAnnotatedElement()
         {
-            throw new NotImplementedException("Derived property AnnotatedElement not yet supported");
+            return this.ComputeAnnotatedElement();
         }
 
         /// <summary>
@@ -75,9 +77,10 @@ public List<IElement> QueryAnnotatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543094212714_953084_18407", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IAnnotatingElement.Annotation")]
         public List<IAnnotation> QueryAnnotation()
         {
-            throw new NotImplementedException("Derived property Annotation not yet supported");
+            return this.ComputeAnnotation();
         }
 
         /// <summary>
@@ -89,9 +92,10 @@ public List<IAnnotation> QueryAnnotation()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -101,15 +105,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -119,6 +125,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -131,9 +138,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -141,9 +149,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -151,6 +160,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -159,9 +169,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -169,6 +180,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -176,9 +188,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -188,9 +201,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -198,9 +212,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -209,18 +224,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -230,9 +247,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -240,9 +258,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -250,9 +269,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -261,9 +281,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -271,9 +292,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -286,9 +308,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -296,6 +319,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -304,15 +328,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -320,12 +346,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -339,6 +367,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -349,21 +378,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -371,6 +403,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -382,12 +415,14 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -395,6 +430,7 @@ public bool QueryIsLibraryElement()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -402,9 +438,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -412,9 +449,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -422,9 +460,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606345564958_925589_327", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
+        [Implements(implementation: "IMetadataFeature.Metaclass")]
         public IMetaclass QueryMetaclass()
         {
-            throw new NotImplementedException("Derived property Metaclass not yet supported");
+            return this.ComputeMetaclass();
         }
 
         /// <summary>
@@ -434,9 +473,10 @@ public IMetaclass QueryMetaclass()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -446,9 +486,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -456,9 +497,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -468,9 +510,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_4_12e503d9_1703019570915_375100_18", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IAnnotatingElement.OwnedAnnotatingRelationship")]
         public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotatingRelationship not yet supported");
+            return this.ComputeOwnedAnnotatingRelationship();
         }
 
         /// <summary>
@@ -480,9 +523,10 @@ public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -491,9 +535,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -502,9 +547,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -514,9 +560,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -526,9 +573,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -536,9 +584,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -547,9 +596,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -557,9 +607,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -569,9 +620,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -581,9 +633,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -593,9 +646,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -627,9 +683,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -651,9 +709,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -662,9 +721,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -672,6 +732,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -681,9 +742,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -693,9 +755,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -705,9 +768,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -717,9 +781,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -728,9 +793,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -738,9 +804,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -749,9 +816,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_2022x_2_12e503d9_1735188506571_308678_376", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
+        [Implements(implementation: "IAnnotatingElement.OwningAnnotatingRelationship")]
         public IAnnotation QueryOwningAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwningAnnotatingRelationship not yet supported");
+            return this.ComputeOwningAnnotatingRelationship();
         }
 
         /// <summary>
@@ -759,9 +827,10 @@ public IAnnotation QueryOwningAnnotatingRelationship()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -770,9 +839,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -781,9 +851,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -791,6 +862,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -800,9 +872,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -814,9 +887,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -826,9 +900,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -837,9 +912,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -849,9 +925,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -862,9 +939,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/MetadataUsage.cs b/SysML2.NET/Core/AutoGenPoco/MetadataUsage.cs
index 306c6a9d..ef616726 100644
--- a/SysML2.NET/Core/AutoGenPoco/MetadataUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/MetadataUsage.cs
@@ -83,6 +83,7 @@ public partial class MetadataUsage : IMetadataUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -91,9 +92,10 @@ public partial class MetadataUsage : IMetadataUsage
         /// AnnotatingElement.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594145755058_99428_86", aggregation: AggregationKind.None, lowerValue: 1, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IAnnotatingElement.AnnotatedElement")]
         public List<IElement> QueryAnnotatedElement()
         {
-            throw new NotImplementedException("Derived property AnnotatedElement not yet supported");
+            return this.ComputeAnnotatedElement();
         }
 
         /// <summary>
@@ -102,9 +104,10 @@ public List<IElement> QueryAnnotatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543094212714_953084_18407", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IAnnotatingElement.Annotation")]
         public List<IAnnotation> QueryAnnotation()
         {
-            throw new NotImplementedException("Derived property Annotation not yet supported");
+            return this.ComputeAnnotation();
         }
 
         /// <summary>
@@ -116,9 +119,10 @@ public List<IAnnotation> QueryAnnotation()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -128,15 +132,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -146,6 +152,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -156,9 +163,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -171,9 +179,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -181,9 +190,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -192,9 +202,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -202,6 +213,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -210,9 +222,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -220,6 +233,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -227,9 +241,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -239,9 +254,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -249,9 +265,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -260,18 +277,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -281,9 +300,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -291,9 +311,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -301,9 +322,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -311,9 +333,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -322,9 +345,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -332,9 +356,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -347,9 +372,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -357,6 +383,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -365,15 +392,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -381,12 +410,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -400,6 +431,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -410,6 +442,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -417,21 +450,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -439,15 +475,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -459,12 +497,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -472,13 +512,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -489,9 +532,10 @@ public bool QueryIsReference()
         [Property(xmiId: "_18_5_3_12e503d9_1565471361757_649736_20796", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
         [RedefinedByProperty("IMetadataUsage.MetadataDefinition")]
+        [Implements(implementation: "IItemUsage.ItemDefinition")]
         public List<IStructure> QueryItemDefinition()
         {
-            throw new NotImplementedException("Derived property ItemDefinition not yet supported");
+            return this.ComputeItemDefinition();
         }
 
         /// <summary>
@@ -504,9 +548,10 @@ public List<IStructure> QueryItemDefinition()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -514,9 +559,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -524,9 +570,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -535,9 +582,10 @@ public List<IMembership> QueryMembership()
         [Property(xmiId: "_19_0_4_12e503d9_1606345564958_925589_327", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IMetadataUsage.MetadataDefinition")]
+        [Implements(implementation: "IMetadataFeature.Metaclass")]
         public IMetaclass QueryMetaclass()
         {
-            throw new NotImplementedException("Derived property Metaclass not yet supported");
+            return this.ComputeMetaclass();
         }
 
         /// <summary>
@@ -546,9 +594,10 @@ public IMetaclass QueryMetaclass()
         [Property(xmiId: "_19_0_4_12e503d9_1647727047674_847094_2563", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1565471361757_649736_20796")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1606345564958_925589_327")]
+        [Implements(implementation: "IMetadataUsage.MetadataDefinition")]
         public IMetaclass QueryMetadataDefinition()
         {
-            throw new NotImplementedException("Derived property MetadataDefinition not yet supported");
+            return this.ComputeMetadataDefinition();
         }
 
         /// <summary>
@@ -558,9 +607,10 @@ public IMetaclass QueryMetadataDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -570,9 +620,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -580,9 +631,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -590,9 +642,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -600,9 +653,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -610,9 +664,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -620,9 +675,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -630,9 +686,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -640,9 +697,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -652,9 +710,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -662,9 +721,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -672,9 +732,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -682,9 +743,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -692,9 +754,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -702,9 +765,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -712,9 +776,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -722,9 +787,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -732,9 +798,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -742,9 +809,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -752,9 +820,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -762,9 +831,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -772,9 +842,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -782,9 +853,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -792,9 +864,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -803,9 +876,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -813,9 +887,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -823,9 +898,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -833,9 +909,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -843,9 +920,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -855,9 +933,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -865,9 +944,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -877,9 +957,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_4_12e503d9_1703019570915_375100_18", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IAnnotatingElement.OwnedAnnotatingRelationship")]
         public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotatingRelationship not yet supported");
+            return this.ComputeOwnedAnnotatingRelationship();
         }
 
         /// <summary>
@@ -889,9 +970,10 @@ public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -900,9 +982,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -911,9 +994,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -923,9 +1007,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -935,9 +1020,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -945,9 +1031,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -956,9 +1043,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -966,9 +1054,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -978,9 +1067,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -990,9 +1080,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1002,9 +1093,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1014,9 +1106,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1025,9 +1118,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1036,9 +1130,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1049,9 +1144,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1060,9 +1156,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1071,9 +1168,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1081,6 +1179,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1090,9 +1189,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1102,9 +1202,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1114,9 +1215,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1126,9 +1228,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1137,9 +1240,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1147,9 +1251,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1158,9 +1263,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_2022x_2_12e503d9_1735188506571_308678_376", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
+        [Implements(implementation: "IAnnotatingElement.OwningAnnotatingRelationship")]
         public IAnnotation QueryOwningAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwningAnnotatingRelationship not yet supported");
+            return this.ComputeOwningAnnotatingRelationship();
         }
 
         /// <summary>
@@ -1169,9 +1275,10 @@ public IAnnotation QueryOwningAnnotatingRelationship()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1179,9 +1286,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1190,9 +1298,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1201,9 +1310,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1211,6 +1321,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1220,9 +1331,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1230,9 +1342,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1241,6 +1354,7 @@ public IUsage QueryOwningUsage()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1252,9 +1366,10 @@ public IUsage QueryOwningUsage()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1264,9 +1379,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1275,9 +1391,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1288,9 +1405,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1301,9 +1419,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1311,9 +1430,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1322,9 +1442,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1333,9 +1454,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Multiplicity.cs b/SysML2.NET/Core/AutoGenPoco/Multiplicity.cs
index 218417d0..cb1a4a70 100644
--- a/SysML2.NET/Core/AutoGenPoco/Multiplicity.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Multiplicity.cs
@@ -64,6 +64,7 @@ public partial class Multiplicity : IMultiplicity
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -75,9 +76,10 @@ public partial class Multiplicity : IMultiplicity
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -87,15 +89,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -105,6 +109,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -117,9 +122,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -127,9 +133,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -137,6 +144,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -145,9 +153,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -155,6 +164,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -162,9 +172,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -174,9 +185,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -184,9 +196,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -195,18 +208,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -216,9 +231,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -226,9 +242,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -236,9 +253,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -247,9 +265,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -257,9 +276,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -272,9 +292,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -282,6 +303,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -290,15 +312,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -306,12 +330,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -325,6 +351,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -335,21 +362,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -357,6 +387,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -368,12 +399,14 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -381,6 +414,7 @@ public bool QueryIsLibraryElement()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -388,9 +422,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -398,9 +433,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -410,9 +446,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -422,9 +459,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -432,9 +470,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -444,9 +483,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -455,9 +495,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -466,9 +507,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -478,9 +520,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -490,9 +533,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -500,9 +544,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -511,9 +556,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -521,9 +567,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -533,9 +580,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -545,9 +593,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -557,9 +606,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -569,9 +619,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -580,9 +631,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -591,9 +643,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -604,9 +657,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -615,9 +669,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -626,9 +681,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -636,6 +692,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -645,9 +702,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -657,9 +715,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -669,9 +728,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -681,9 +741,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -692,9 +753,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -702,9 +764,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -712,9 +775,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -723,9 +787,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -734,9 +799,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -744,6 +810,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -753,9 +820,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -767,9 +835,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -779,9 +848,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -790,9 +860,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -802,9 +873,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -815,9 +887,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/MultiplicityRange.cs b/SysML2.NET/Core/AutoGenPoco/MultiplicityRange.cs
index 8691df4d..25c88225 100644
--- a/SysML2.NET/Core/AutoGenPoco/MultiplicityRange.cs
+++ b/SysML2.NET/Core/AutoGenPoco/MultiplicityRange.cs
@@ -61,6 +61,7 @@ public partial class MultiplicityRange : IMultiplicityRange
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -69,9 +70,10 @@ public partial class MultiplicityRange : IMultiplicityRange
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095221994_519580_5095", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 2, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IMultiplicityRange.Bound")]
         public List<IExpression> QueryBound()
         {
-            throw new NotImplementedException("Derived property Bound not yet supported");
+            return this.ComputeBound();
         }
 
         /// <summary>
@@ -83,9 +85,10 @@ public List<IExpression> QueryBound()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -95,15 +98,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -113,6 +118,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -125,9 +131,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -135,9 +142,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -145,6 +153,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -153,9 +162,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -163,6 +173,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -170,9 +181,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -182,9 +194,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -192,9 +205,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -203,18 +217,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -224,9 +240,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -234,9 +251,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -244,9 +262,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -255,9 +274,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -265,9 +285,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -280,9 +301,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -290,6 +312,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -298,15 +321,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -314,12 +339,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -333,6 +360,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -343,21 +371,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -365,6 +396,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -376,12 +408,14 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -389,6 +423,7 @@ public bool QueryIsLibraryElement()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -398,9 +433,10 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573094905677_801324_4744", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1573095221994_519580_5095")]
+        [Implements(implementation: "IMultiplicityRange.LowerBound")]
         public IExpression QueryLowerBound()
         {
-            throw new NotImplementedException("Derived property LowerBound not yet supported");
+            return this.ComputeLowerBound();
         }
 
         /// <summary>
@@ -408,9 +444,10 @@ public IExpression QueryLowerBound()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -418,9 +455,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -430,9 +468,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -442,9 +481,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -452,9 +492,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -464,9 +505,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -475,9 +517,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -486,9 +529,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -498,9 +542,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -510,9 +555,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -520,9 +566,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -531,9 +578,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -541,9 +589,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -553,9 +602,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -565,9 +615,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -577,9 +628,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -589,9 +641,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -600,9 +653,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -611,9 +665,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -624,9 +679,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -635,9 +691,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -646,9 +703,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -656,6 +714,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -665,9 +724,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -677,9 +737,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -689,9 +750,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -701,9 +763,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -712,9 +775,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -722,9 +786,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -732,9 +797,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -743,9 +809,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -754,9 +821,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -764,6 +832,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -773,9 +842,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -787,9 +857,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -799,9 +870,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -810,9 +882,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -822,9 +895,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -835,9 +909,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -845,9 +920,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573094947427_797440_4796", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1573095221994_519580_5095")]
+        [Implements(implementation: "IMultiplicityRange.UpperBound")]
         public IExpression QueryUpperBound()
         {
-            throw new NotImplementedException("Derived property UpperBound not yet supported");
+            return this.ComputeUpperBound();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Namespace.cs b/SysML2.NET/Core/AutoGenPoco/Namespace.cs
index 053de768..c1b1e67c 100644
--- a/SysML2.NET/Core/AutoGenPoco/Namespace.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Namespace.cs
@@ -58,12 +58,14 @@ public partial class Namespace : INamespace
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -73,6 +75,7 @@ public partial class Namespace : INamespace
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -81,9 +84,10 @@ public partial class Namespace : INamespace
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -91,6 +95,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -98,9 +103,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -111,15 +117,17 @@ public List<IMembership> QueryImportedMembership()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -127,9 +135,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -137,9 +146,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -149,9 +159,10 @@ public List<IMembership> QueryMembership()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -161,9 +172,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -171,9 +183,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -183,9 +196,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -194,9 +208,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -207,9 +222,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -217,6 +233,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -224,9 +241,10 @@ public List<IMembership> QueryOwnedMembership()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -235,9 +253,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -246,9 +265,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -256,6 +276,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -267,9 +288,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -279,9 +301,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -290,9 +313,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/NamespaceExpose.cs b/SysML2.NET/Core/AutoGenPoco/NamespaceExpose.cs
index 1b47e978..2a6680cd 100644
--- a/SysML2.NET/Core/AutoGenPoco/NamespaceExpose.cs
+++ b/SysML2.NET/Core/AutoGenPoco/NamespaceExpose.cs
@@ -53,12 +53,14 @@ public partial class NamespaceExpose : INamespaceExpose
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -68,6 +70,7 @@ public partial class NamespaceExpose : INamespaceExpose
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -76,9 +79,10 @@ public partial class NamespaceExpose : INamespaceExpose
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -86,6 +90,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -93,9 +98,10 @@ public List<IDocumentation> QueryDocumentation()
         /// of the importedMembership. For a NamespaceImport, it is the importedNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1668801846848_909736_64", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IImport.ImportedElement")]
         public IElement QueryImportedElement()
         {
-            throw new NotImplementedException("Derived property ImportedElement not yet supported");
+            return this.ComputeImportedElement();
         }
 
         /// <summary>
@@ -103,6 +109,7 @@ public IElement QueryImportedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674966_977620_43202", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "INamespaceImport.ImportedNamespace")]
         public INamespace ImportedNamespace { get; set; }
 
         /// <summary>
@@ -112,9 +119,10 @@ public IElement QueryImportedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_548878_43248", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IImport.ImportOwningNamespace")]
         public INamespace QueryImportOwningNamespace()
         {
-            throw new NotImplementedException("Derived property ImportOwningNamespace not yet supported");
+            return this.ComputeImportOwningNamespace();
         }
 
         /// <summary>
@@ -122,6 +130,7 @@ public INamespace QueryImportOwningNamespace()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -132,6 +141,7 @@ public INamespace QueryImportOwningNamespace()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -139,27 +149,32 @@ public INamespace QueryImportOwningNamespace()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1622578615027_762161_80", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1622577942205_869984_64")]
+        [Implements(implementation: "IExpose.IsImportAll")]
         bool IExpose.IsImportAll { get; set; }
 
         /// <summary>
         /// Whether to import memberships without regard to declared visibility.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1622577942205_869984_64", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IExpose.IsImportAll")] bool Root.Namespaces.IImport.IsImportAll { get; set; }
+        [RedefinedByProperty("IExpose.IsImportAll")]
+        [Implements(implementation: "IImport.IsImportAll")]
+        bool Root.Namespaces.IImport.IsImportAll { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether to recursively import Memberships from visible, owned sub-Namespaces.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1605759116711_596237_5033", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IImport.IsRecursive")]
         public bool IsRecursive { get; set; }
 
         /// <summary>
@@ -169,9 +184,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -181,9 +197,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -191,9 +208,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -201,6 +219,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -208,6 +227,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -215,9 +235,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -226,9 +247,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -237,9 +259,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -247,6 +270,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -254,6 +278,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -265,9 +290,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -275,9 +301,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -287,9 +314,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -297,14 +325,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IImport.ImportOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IImport.ImportOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("INamespaceImport.ImportedNamespace")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("INamespaceImport.ImportedNamespace")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -312,9 +344,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -322,6 +355,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1720469034555_222060_1140", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "protected")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674976_798509_43257")]
+        [Implements(implementation: "IExpose.Visibility")]
         VisibilityKind IExpose.Visibility { get; set; }
 
         /// <summary>
@@ -329,7 +363,9 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// The default is private.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674976_798509_43257", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "private")]
-        [RedefinedByProperty("IExpose.Visibility")] VisibilityKind Root.Namespaces.IImport.Visibility { get; set; }
+        [RedefinedByProperty("IExpose.Visibility")]
+        [Implements(implementation: "IImport.Visibility")]
+        VisibilityKind Root.Namespaces.IImport.Visibility { get; set; }
 
     }
 }
diff --git a/SysML2.NET/Core/AutoGenPoco/NamespaceImport.cs b/SysML2.NET/Core/AutoGenPoco/NamespaceImport.cs
index fe66d0cf..a43e9bea 100644
--- a/SysML2.NET/Core/AutoGenPoco/NamespaceImport.cs
+++ b/SysML2.NET/Core/AutoGenPoco/NamespaceImport.cs
@@ -54,12 +54,14 @@ public partial class NamespaceImport : INamespaceImport
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -69,6 +71,7 @@ public partial class NamespaceImport : INamespaceImport
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -77,9 +80,10 @@ public partial class NamespaceImport : INamespaceImport
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -87,6 +91,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -94,9 +99,10 @@ public List<IDocumentation> QueryDocumentation()
         /// of the importedMembership. For a NamespaceImport, it is the importedNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1668801846848_909736_64", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IImport.ImportedElement")]
         public IElement QueryImportedElement()
         {
-            throw new NotImplementedException("Derived property ImportedElement not yet supported");
+            return this.ComputeImportedElement();
         }
 
         /// <summary>
@@ -104,6 +110,7 @@ public IElement QueryImportedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674966_977620_43202", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "INamespaceImport.ImportedNamespace")]
         public INamespace ImportedNamespace { get; set; }
 
         /// <summary>
@@ -113,9 +120,10 @@ public IElement QueryImportedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_548878_43248", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IImport.ImportOwningNamespace")]
         public INamespace QueryImportOwningNamespace()
         {
-            throw new NotImplementedException("Derived property ImportOwningNamespace not yet supported");
+            return this.ComputeImportOwningNamespace();
         }
 
         /// <summary>
@@ -123,6 +131,7 @@ public INamespace QueryImportOwningNamespace()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -133,27 +142,31 @@ public INamespace QueryImportOwningNamespace()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether to import memberships without regard to declared visibility.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1622577942205_869984_64", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IImport.IsImportAll")]
         public bool IsImportAll { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether to recursively import Memberships from visible, owned sub-Namespaces.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1605759116711_596237_5033", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IImport.IsRecursive")]
         public bool IsRecursive { get; set; }
 
         /// <summary>
@@ -163,9 +176,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -175,9 +189,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -185,9 +200,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -195,6 +211,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -202,6 +219,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -209,9 +227,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -220,9 +239,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -231,9 +251,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -241,6 +262,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -248,6 +270,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -259,9 +282,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -269,9 +293,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -281,9 +306,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -291,14 +317,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IImport.ImportOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IImport.ImportOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("INamespaceImport.ImportedNamespace")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("INamespaceImport.ImportedNamespace")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -306,9 +336,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -316,6 +347,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// The default is private.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674976_798509_43257", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "private")]
+        [Implements(implementation: "IImport.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/NullExpression.cs b/SysML2.NET/Core/AutoGenPoco/NullExpression.cs
index eac59f9c..0766d548 100644
--- a/SysML2.NET/Core/AutoGenPoco/NullExpression.cs
+++ b/SysML2.NET/Core/AutoGenPoco/NullExpression.cs
@@ -56,6 +56,7 @@ public partial class NullExpression : INullExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -64,9 +65,10 @@ public partial class NullExpression : INullExpression
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -78,9 +80,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -90,15 +93,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -108,6 +113,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -120,9 +126,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -131,9 +138,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -141,6 +149,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -149,9 +158,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -159,6 +169,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -166,9 +177,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -178,9 +190,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -188,9 +201,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -199,18 +213,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -220,9 +236,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -230,9 +247,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -240,9 +258,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -250,9 +269,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -261,9 +281,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -271,9 +292,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -286,9 +308,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -296,6 +319,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -304,15 +328,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -320,12 +346,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -339,6 +367,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -349,15 +378,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -365,15 +396,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -381,6 +414,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -392,12 +426,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -405,6 +441,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -412,9 +449,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -422,9 +460,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -434,9 +473,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -446,9 +486,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -456,9 +497,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -468,9 +510,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -479,9 +522,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -490,9 +534,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -502,9 +547,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -514,9 +560,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -524,9 +571,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -535,9 +583,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -545,9 +594,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -557,9 +607,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -569,9 +620,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -581,9 +633,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -593,9 +646,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -604,9 +658,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -615,9 +670,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -628,9 +684,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -639,9 +696,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -650,9 +708,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -660,6 +719,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -669,9 +729,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -681,9 +742,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -693,9 +755,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -705,9 +768,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -716,9 +780,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -726,9 +791,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -736,9 +802,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -747,9 +814,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -758,9 +826,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -768,6 +837,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -777,9 +847,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -788,9 +859,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -802,9 +874,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -815,9 +888,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -827,9 +901,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -838,9 +913,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -850,9 +926,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -863,9 +940,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ObjectiveMembership.cs b/SysML2.NET/Core/AutoGenPoco/ObjectiveMembership.cs
index f5232a95..122c9b33 100644
--- a/SysML2.NET/Core/AutoGenPoco/ObjectiveMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ObjectiveMembership.cs
@@ -56,12 +56,14 @@ public partial class ObjectiveMembership : IObjectiveMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -71,6 +73,7 @@ public partial class ObjectiveMembership : IObjectiveMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -79,9 +82,10 @@ public partial class ObjectiveMembership : IObjectiveMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -89,6 +93,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -96,6 +101,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -106,15 +112,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -122,23 +130,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -148,16 +161,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -166,9 +182,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -178,9 +195,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -188,9 +206,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -201,9 +220,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -211,9 +231,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -223,9 +244,10 @@ public string QueryOwnedMemberElementId()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
         [RedefinedByProperty("IObjectiveMembership.OwnedObjectiveRequirement")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         public IFeature QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -233,9 +255,10 @@ public IFeature QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -243,9 +266,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -253,9 +277,10 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590258776804_538578_832", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674993_898044_43344")]
+        [Implements(implementation: "IObjectiveMembership.OwnedObjectiveRequirement")]
         public IRequirementUsage QueryOwnedObjectiveRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedObjectiveRequirement not yet supported");
+            return this.ComputeOwnedObjectiveRequirement();
         }
 
         /// <summary>
@@ -263,6 +288,7 @@ public IRequirementUsage QueryOwnedObjectiveRequirement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -270,6 +296,7 @@ public IRequirementUsage QueryOwnedObjectiveRequirement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -277,9 +304,10 @@ public IRequirementUsage QueryOwnedObjectiveRequirement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -288,9 +316,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -299,9 +328,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -309,6 +339,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -316,6 +347,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -324,9 +356,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -338,9 +371,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -348,9 +382,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -360,9 +395,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -370,14 +406,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -385,9 +425,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -395,6 +436,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/OccurrenceDefinition.cs b/SysML2.NET/Core/AutoGenPoco/OccurrenceDefinition.cs
index f7d6353f..54a70ddb 100644
--- a/SysML2.NET/Core/AutoGenPoco/OccurrenceDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/OccurrenceDefinition.cs
@@ -79,12 +79,14 @@ public partial class OccurrenceDefinition : IOccurrenceDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -94,6 +96,7 @@ public partial class OccurrenceDefinition : IOccurrenceDefinition
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -106,9 +109,10 @@ public partial class OccurrenceDefinition : IOccurrenceDefinition
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -116,9 +120,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -127,9 +132,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -138,9 +144,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -148,6 +155,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -155,9 +163,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -165,9 +174,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -176,9 +186,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -186,9 +197,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -196,9 +208,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -207,9 +220,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -217,9 +231,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -232,9 +247,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -242,15 +258,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -261,21 +279,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -287,6 +308,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -294,6 +316,7 @@ public bool QueryIsLibraryElement()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -301,9 +324,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -311,9 +335,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -323,9 +348,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -335,9 +361,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -345,9 +372,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -355,9 +383,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -365,9 +394,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -375,9 +405,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -387,9 +418,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -397,9 +429,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -407,9 +440,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -417,9 +451,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -427,9 +462,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -438,9 +474,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -450,9 +487,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -460,9 +498,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -472,9 +511,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -484,9 +524,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -494,9 +535,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -505,9 +547,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -515,9 +558,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -525,9 +569,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -537,9 +582,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -547,9 +593,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -559,9 +606,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -569,9 +617,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -580,9 +629,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -590,9 +640,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -601,9 +652,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -614,9 +666,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -624,9 +677,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -634,9 +688,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -644,9 +699,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -654,9 +710,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -664,9 +721,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -674,6 +732,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -681,9 +740,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -691,9 +751,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -703,9 +764,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -713,9 +775,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -724,9 +787,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -734,9 +798,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -745,9 +810,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -756,9 +822,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -766,9 +833,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -776,9 +844,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -786,9 +855,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -796,9 +866,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -806,9 +877,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -817,9 +889,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -828,9 +901,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -838,6 +912,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -849,9 +924,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -861,9 +937,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -872,9 +949,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -885,9 +963,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -895,9 +974,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -906,9 +986,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -918,9 +999,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/OccurrenceUsage.cs b/SysML2.NET/Core/AutoGenPoco/OccurrenceUsage.cs
index 7f0352a0..77f516f2 100644
--- a/SysML2.NET/Core/AutoGenPoco/OccurrenceUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/OccurrenceUsage.cs
@@ -81,6 +81,7 @@ public partial class OccurrenceUsage : IOccurrenceUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -92,9 +93,10 @@ public partial class OccurrenceUsage : IOccurrenceUsage
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -104,15 +106,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -122,6 +126,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -132,9 +137,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -147,9 +153,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -157,9 +164,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -168,9 +176,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -178,6 +187,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -186,9 +196,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -196,6 +207,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -203,9 +215,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -215,9 +228,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -225,9 +239,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -236,18 +251,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -257,9 +274,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -267,9 +285,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -277,9 +296,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -287,9 +307,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -298,9 +319,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -308,9 +330,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -323,9 +346,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -333,6 +357,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -341,15 +366,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -357,12 +384,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -376,6 +405,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -386,6 +416,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -393,21 +424,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -415,15 +449,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -435,12 +471,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -448,13 +486,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -467,9 +508,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -477,9 +519,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -487,9 +530,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -499,9 +543,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -511,9 +556,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -521,9 +567,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -531,9 +578,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -541,9 +589,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -551,9 +600,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -561,9 +611,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -571,9 +622,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -581,9 +633,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -593,9 +646,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -603,9 +657,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -613,9 +668,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -623,9 +679,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -633,9 +690,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -643,9 +701,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -653,9 +712,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -663,9 +723,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -673,9 +734,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -683,9 +745,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -693,9 +756,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -703,9 +767,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -713,9 +778,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -723,9 +789,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -733,9 +800,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -744,9 +812,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -754,9 +823,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -764,9 +834,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -774,9 +845,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -784,9 +856,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -796,9 +869,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -806,9 +880,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -818,9 +893,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -829,9 +905,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -840,9 +917,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -852,9 +930,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -864,9 +943,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -874,9 +954,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -885,9 +966,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -895,9 +977,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -907,9 +990,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -919,9 +1003,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -931,9 +1016,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -943,9 +1029,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -954,9 +1041,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -965,9 +1053,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -978,9 +1067,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -989,9 +1079,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1000,9 +1091,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1010,6 +1102,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1019,9 +1112,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1031,9 +1125,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1043,9 +1138,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1055,9 +1151,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1066,9 +1163,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1076,9 +1174,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1087,9 +1186,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1097,9 +1197,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1108,9 +1209,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1119,9 +1221,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1129,6 +1232,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1138,9 +1242,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1148,9 +1253,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1159,6 +1265,7 @@ public IUsage QueryOwningUsage()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1170,9 +1277,10 @@ public IUsage QueryOwningUsage()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1182,9 +1290,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1193,9 +1302,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1206,9 +1316,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1219,9 +1330,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1229,9 +1341,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1240,9 +1353,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1251,9 +1365,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/OperatorExpression.cs b/SysML2.NET/Core/AutoGenPoco/OperatorExpression.cs
index bfa44b2e..b1216197 100644
--- a/SysML2.NET/Core/AutoGenPoco/OperatorExpression.cs
+++ b/SysML2.NET/Core/AutoGenPoco/OperatorExpression.cs
@@ -57,6 +57,7 @@ public partial class OperatorExpression : IOperatorExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -66,9 +67,10 @@ public partial class OperatorExpression : IOperatorExpression
         /// InstantiationExpression.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134437590_328753_108", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IInstantiationExpression.Argument")]
         public List<IExpression> QueryArgument()
         {
-            throw new NotImplementedException("Derived property Argument not yet supported");
+            return this.ComputeArgument();
         }
 
         /// <summary>
@@ -77,9 +79,10 @@ public List<IExpression> QueryArgument()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -91,9 +94,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -103,15 +107,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -121,6 +127,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -133,9 +140,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -144,9 +152,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -154,6 +163,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -162,9 +172,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -172,6 +183,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -179,9 +191,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -191,9 +204,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -201,9 +215,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -212,18 +227,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -233,9 +250,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -243,9 +261,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -253,9 +272,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -263,9 +283,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -274,9 +295,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -284,9 +306,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -294,9 +317,10 @@ public List<IFeature> QueryInput()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134352572_416088_80", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IInstantiationExpression.InstantiatedType")]
         public IType QueryInstantiatedType()
         {
-            throw new NotImplementedException("Derived property InstantiatedType not yet supported");
+            return this.ComputeInstantiatedType();
         }
 
         /// <summary>
@@ -309,9 +333,10 @@ public IType QueryInstantiatedType()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -319,6 +344,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -327,15 +353,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -343,12 +371,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -362,6 +392,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -372,15 +403,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -388,15 +421,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -404,6 +439,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -415,12 +451,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -428,6 +466,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -435,9 +474,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -445,9 +485,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -457,9 +498,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -469,9 +511,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -479,6 +522,7 @@ public string QueryName()
         /// Kernel Function Library .
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1557528808100_646606_111674", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOperatorExpression.Operator")]
         public string Operator { get; set; }
 
         /// <summary>
@@ -486,9 +530,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -498,9 +543,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -509,9 +555,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -520,9 +567,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -532,9 +580,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -544,9 +593,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -554,9 +604,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -565,9 +616,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -575,9 +627,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -587,9 +640,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -599,9 +653,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -611,9 +666,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -623,9 +679,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -634,9 +691,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -645,9 +703,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -658,9 +717,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -669,9 +729,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -680,9 +741,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -690,6 +752,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -699,9 +762,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -711,9 +775,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -723,9 +788,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -735,9 +801,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -746,9 +813,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -756,9 +824,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -766,9 +835,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -777,9 +847,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -788,9 +859,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -798,6 +870,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -807,9 +880,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -818,9 +892,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -832,9 +907,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -845,9 +921,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -857,9 +934,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -868,9 +946,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -880,9 +959,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -893,9 +973,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/OwningMembership.cs b/SysML2.NET/Core/AutoGenPoco/OwningMembership.cs
index 63f7a154..1748fe4c 100644
--- a/SysML2.NET/Core/AutoGenPoco/OwningMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/OwningMembership.cs
@@ -52,12 +52,14 @@ public partial class OwningMembership : IOwningMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -67,6 +69,7 @@ public partial class OwningMembership : IOwningMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -75,9 +78,10 @@ public partial class OwningMembership : IOwningMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -85,6 +89,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -92,6 +97,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -102,15 +108,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -118,23 +126,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -143,16 +156,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_531296_43182")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -161,9 +177,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -173,9 +190,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -183,9 +201,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -195,9 +214,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674965_501750_43196", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -205,9 +225,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -215,9 +236,10 @@ public string QueryOwnedMemberElementId()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -225,9 +247,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -235,6 +258,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -242,6 +266,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -249,9 +274,10 @@ public string QueryOwnedMemberShortName()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -260,9 +286,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -271,9 +298,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -281,6 +309,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -288,6 +317,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -299,9 +329,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -309,9 +340,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -321,9 +353,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -331,14 +364,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -346,9 +383,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -356,6 +394,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Package.cs b/SysML2.NET/Core/AutoGenPoco/Package.cs
index 05aed490..3fe5ec4f 100644
--- a/SysML2.NET/Core/AutoGenPoco/Package.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Package.cs
@@ -54,12 +54,14 @@ public partial class Package : IPackage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -69,6 +71,7 @@ public partial class Package : IPackage
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -77,9 +80,10 @@ public partial class Package : IPackage
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -87,6 +91,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -95,9 +100,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1607033896050_867332_6206", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IPackage.FilterCondition")]
         public List<IExpression> QueryFilterCondition()
         {
-            throw new NotImplementedException("Derived property FilterCondition not yet supported");
+            return this.ComputeFilterCondition();
         }
 
         /// <summary>
@@ -105,9 +111,10 @@ public List<IExpression> QueryFilterCondition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -118,15 +125,17 @@ public List<IMembership> QueryImportedMembership()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -134,9 +143,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -144,9 +154,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -156,9 +167,10 @@ public List<IMembership> QueryMembership()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -168,9 +180,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -178,9 +191,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -190,9 +204,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -201,9 +216,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -214,9 +230,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -224,6 +241,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -231,9 +249,10 @@ public List<IMembership> QueryOwnedMembership()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -242,9 +261,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -253,9 +273,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -263,6 +284,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -274,9 +296,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -286,9 +309,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -297,9 +321,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ParameterMembership.cs b/SysML2.NET/Core/AutoGenPoco/ParameterMembership.cs
index aece224e..dff86e38 100644
--- a/SysML2.NET/Core/AutoGenPoco/ParameterMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ParameterMembership.cs
@@ -56,12 +56,14 @@ public partial class ParameterMembership : IParameterMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -71,6 +73,7 @@ public partial class ParameterMembership : IParameterMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -79,9 +82,10 @@ public partial class ParameterMembership : IParameterMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -89,6 +93,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -96,6 +101,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -106,15 +112,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -122,23 +130,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -148,16 +161,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -166,9 +182,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -178,9 +195,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -188,9 +206,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -201,9 +220,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -211,9 +231,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -223,9 +244,10 @@ public string QueryOwnedMemberElementId()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
         [RedefinedByProperty("IParameterMembership.OwnedMemberParameter")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         public IFeature QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -233,9 +255,10 @@ public IFeature QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -243,9 +266,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1557528016548_548098_110830", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674993_898044_43344")]
+        [Implements(implementation: "IParameterMembership.OwnedMemberParameter")]
         public IFeature QueryOwnedMemberParameter()
         {
-            throw new NotImplementedException("Derived property OwnedMemberParameter not yet supported");
+            return this.ComputeOwnedMemberParameter();
         }
 
         /// <summary>
@@ -253,9 +277,10 @@ public IFeature QueryOwnedMemberParameter()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -263,6 +288,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -270,6 +296,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -277,9 +304,10 @@ public string QueryOwnedMemberShortName()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -288,9 +316,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -299,9 +328,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -309,6 +339,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -316,6 +347,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -324,9 +356,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -338,9 +371,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -348,9 +382,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -360,9 +395,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -370,14 +406,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -385,9 +425,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -395,6 +436,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/PartDefinition.cs b/SysML2.NET/Core/AutoGenPoco/PartDefinition.cs
index 373bffa7..4a30c76c 100644
--- a/SysML2.NET/Core/AutoGenPoco/PartDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/PartDefinition.cs
@@ -77,12 +77,14 @@ public partial class PartDefinition : IPartDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -92,6 +94,7 @@ public partial class PartDefinition : IPartDefinition
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -104,9 +107,10 @@ public partial class PartDefinition : IPartDefinition
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -114,9 +118,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -125,9 +130,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -136,9 +142,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -146,6 +153,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -153,9 +161,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -163,9 +172,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -174,9 +184,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -184,9 +195,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -194,9 +206,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -205,9 +218,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -215,9 +229,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -230,9 +245,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -240,15 +256,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -259,21 +277,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -285,6 +306,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -292,6 +314,7 @@ public bool QueryIsLibraryElement()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -299,9 +322,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -309,9 +333,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -321,9 +346,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -333,9 +359,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -343,9 +370,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -353,9 +381,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -363,9 +392,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -373,9 +403,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -385,9 +416,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -395,9 +427,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -405,9 +438,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -415,9 +449,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -425,9 +460,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -436,9 +472,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -448,9 +485,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -458,9 +496,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -470,9 +509,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -482,9 +522,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -492,9 +533,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -503,9 +545,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -513,9 +556,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -523,9 +567,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -535,9 +580,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -545,9 +591,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -557,9 +604,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -567,9 +615,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -578,9 +627,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -588,9 +638,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -599,9 +650,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -612,9 +664,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -622,9 +675,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -632,9 +686,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -642,9 +697,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -652,9 +708,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -662,9 +719,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -672,6 +730,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -679,9 +738,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -689,9 +749,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -701,9 +762,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -711,9 +773,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -722,9 +785,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -732,9 +796,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -743,9 +808,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -754,9 +820,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -764,9 +831,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -774,9 +842,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -784,9 +853,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -794,9 +864,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -804,9 +875,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -815,9 +887,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -826,9 +899,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -836,6 +910,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -847,9 +922,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -859,9 +935,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -870,9 +947,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -883,9 +961,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -893,9 +972,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -904,9 +984,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -916,9 +997,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/PartUsage.cs b/SysML2.NET/Core/AutoGenPoco/PartUsage.cs
index 781559c6..6c2b6755 100644
--- a/SysML2.NET/Core/AutoGenPoco/PartUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/PartUsage.cs
@@ -81,6 +81,7 @@ public partial class PartUsage : IPartUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -92,9 +93,10 @@ public partial class PartUsage : IPartUsage
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -104,15 +106,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -122,6 +126,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -132,9 +137,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -147,9 +153,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -157,9 +164,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -168,9 +176,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -178,6 +187,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -186,9 +196,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -196,6 +207,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -203,9 +215,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -215,9 +228,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -225,9 +239,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -236,18 +251,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -257,9 +274,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -267,9 +285,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -277,9 +296,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -287,9 +307,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -298,9 +319,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -308,9 +330,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -323,9 +346,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -333,6 +357,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -341,15 +366,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -357,12 +384,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -376,6 +405,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -386,6 +416,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -393,21 +424,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -415,15 +449,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -435,12 +471,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -448,13 +486,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -464,9 +505,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565471361757_649736_20796", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IItemUsage.ItemDefinition")]
         public List<IStructure> QueryItemDefinition()
         {
-            throw new NotImplementedException("Derived property ItemDefinition not yet supported");
+            return this.ComputeItemDefinition();
         }
 
         /// <summary>
@@ -479,9 +521,10 @@ public List<IStructure> QueryItemDefinition()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -489,9 +532,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -499,9 +543,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -511,9 +556,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -523,9 +569,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -533,9 +580,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -543,9 +591,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -553,9 +602,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -563,9 +613,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -573,9 +624,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -583,9 +635,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -593,9 +646,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -615,9 +670,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -625,9 +681,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -635,9 +692,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -645,9 +703,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -655,9 +714,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -665,9 +725,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -675,9 +736,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -685,9 +747,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -695,9 +758,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -705,9 +769,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -715,9 +780,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -725,9 +791,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -735,9 +802,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -745,9 +813,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -756,9 +825,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -766,9 +836,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -776,9 +847,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -786,9 +858,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -796,9 +869,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -808,9 +882,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -818,9 +893,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -830,9 +906,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -841,9 +918,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -852,9 +930,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -864,9 +943,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -876,9 +956,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -886,9 +967,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -897,9 +979,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -907,9 +990,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -919,9 +1003,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -931,9 +1016,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -943,9 +1029,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -955,9 +1042,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -966,9 +1054,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -977,9 +1066,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -990,9 +1080,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1001,9 +1092,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1012,9 +1104,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1022,6 +1115,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1031,9 +1125,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1043,9 +1138,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1055,9 +1151,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1067,9 +1164,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1078,9 +1176,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1088,9 +1187,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1099,9 +1199,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1109,9 +1210,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1120,9 +1222,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1131,9 +1234,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1141,6 +1245,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1150,9 +1255,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1160,9 +1266,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1170,9 +1277,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591475180488_929065_121", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565471361757_649736_20796")]
+        [Implements(implementation: "IPartUsage.PartDefinition")]
         public List<IPartDefinition> QueryPartDefinition()
         {
-            throw new NotImplementedException("Derived property PartDefinition not yet supported");
+            return this.ComputePartDefinition();
         }
 
         /// <summary>
@@ -1181,6 +1289,7 @@ public List<IPartDefinition> QueryPartDefinition()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1192,9 +1301,10 @@ public List<IPartDefinition> QueryPartDefinition()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1204,9 +1314,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1215,9 +1326,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1228,9 +1340,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1241,9 +1354,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1251,9 +1365,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1262,9 +1377,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1273,9 +1389,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/PayloadFeature.cs b/SysML2.NET/Core/AutoGenPoco/PayloadFeature.cs
index 4c164b2d..0e240506 100644
--- a/SysML2.NET/Core/AutoGenPoco/PayloadFeature.cs
+++ b/SysML2.NET/Core/AutoGenPoco/PayloadFeature.cs
@@ -55,6 +55,7 @@ public partial class PayloadFeature : IPayloadFeature
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -66,9 +67,10 @@ public partial class PayloadFeature : IPayloadFeature
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -78,15 +80,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -96,6 +100,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -108,9 +113,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -118,9 +124,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -128,6 +135,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -136,9 +144,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -146,6 +155,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -153,9 +163,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -165,9 +176,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -175,9 +187,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -186,18 +199,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -207,9 +222,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -217,9 +233,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -227,9 +244,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -238,9 +256,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -248,9 +267,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -263,9 +283,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -273,6 +294,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -281,15 +303,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -297,12 +321,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -316,6 +342,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -326,21 +353,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -348,6 +378,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -359,12 +390,14 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -372,6 +405,7 @@ public bool QueryIsLibraryElement()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -379,9 +413,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -389,9 +424,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -401,9 +437,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -413,9 +450,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -423,9 +461,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -435,9 +474,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -446,9 +486,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -457,9 +498,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -469,9 +511,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -481,9 +524,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -491,9 +535,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -502,9 +547,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -512,9 +558,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -524,9 +571,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -536,9 +584,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -548,9 +597,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -560,9 +610,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -571,9 +622,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -582,9 +634,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -595,9 +648,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -606,9 +660,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -617,9 +672,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -627,6 +683,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -636,9 +693,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -648,9 +706,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -660,9 +719,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -672,9 +732,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -683,9 +744,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -693,9 +755,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -703,9 +766,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -714,9 +778,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -725,9 +790,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -735,6 +801,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -744,9 +811,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -758,9 +826,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -770,9 +839,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -781,9 +851,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -793,9 +864,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -806,9 +878,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/PerformActionUsage.cs b/SysML2.NET/Core/AutoGenPoco/PerformActionUsage.cs
index e14de828..4df105ac 100644
--- a/SysML2.NET/Core/AutoGenPoco/PerformActionUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/PerformActionUsage.cs
@@ -86,15 +86,17 @@ public partial class PerformActionUsage : IPerformActionUsage
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -103,9 +105,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -117,9 +120,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -129,15 +133,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -147,6 +153,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -157,9 +164,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -172,9 +180,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -183,9 +192,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -194,9 +204,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -204,6 +215,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -212,9 +224,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -222,6 +235,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -229,9 +243,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -241,9 +256,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -253,9 +269,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1622831790393_676695_195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IPerformActionUsage.PerformedAction")]
+        [Implements(implementation: "IEventOccurrenceUsage.EventOccurrence")]
         public IOccurrenceUsage QueryEventOccurrence()
         {
-            throw new NotImplementedException("Derived property EventOccurrence not yet supported");
+            return this.ComputeEventOccurrence();
         }
 
         /// <summary>
@@ -263,9 +280,10 @@ public IOccurrenceUsage QueryEventOccurrence()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -274,18 +292,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -295,9 +315,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -305,9 +326,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -315,9 +337,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -325,9 +348,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -336,9 +360,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -346,9 +371,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -361,9 +387,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -371,6 +398,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -379,15 +407,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -395,12 +425,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -414,6 +446,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -424,6 +457,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -431,21 +465,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -453,6 +490,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -460,9 +498,10 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IEventOccurrenceUsage.IsReference")]
+        [Implements(implementation: "IUsage.IsReference")]
         bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -470,9 +509,10 @@ bool Systems.DefinitionAndUsage.IUsage.QueryIsReference()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1672526906017_786343_306", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1624035114787_488767_41423")]
+        [Implements(implementation: "IEventOccurrenceUsage.IsReference")]
         bool Systems.Occurrences.IEventOccurrenceUsage.QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -484,12 +524,14 @@ bool Systems.Occurrences.IEventOccurrenceUsage.QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -497,13 +539,16 @@ bool Systems.Occurrences.IEventOccurrenceUsage.QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -516,9 +561,10 @@ bool Systems.Occurrences.IEventOccurrenceUsage.QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -526,9 +572,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -536,9 +583,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -548,9 +596,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -560,9 +609,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -570,9 +620,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -580,9 +631,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -590,9 +642,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -600,9 +653,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -610,9 +664,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -620,9 +675,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -630,9 +686,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -642,9 +699,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -652,9 +710,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -662,9 +721,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -672,9 +732,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -682,9 +743,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -692,9 +754,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -702,9 +765,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -712,9 +776,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -722,9 +787,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -732,9 +798,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -742,9 +809,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -752,9 +820,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -762,9 +831,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -772,9 +842,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -782,9 +853,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -793,9 +865,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -803,9 +876,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -813,9 +887,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -823,9 +898,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -833,9 +909,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -846,9 +923,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -856,9 +934,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -868,9 +947,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -879,9 +959,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -890,9 +971,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -902,9 +984,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -914,9 +997,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -924,9 +1008,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -935,9 +1020,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -945,9 +1031,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -957,9 +1044,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -969,9 +1057,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -981,9 +1070,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -993,9 +1083,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1004,9 +1095,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1015,9 +1107,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1028,9 +1121,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1039,9 +1133,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1050,9 +1145,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1060,6 +1156,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1069,9 +1166,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1081,9 +1179,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1093,9 +1192,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1105,9 +1205,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1116,9 +1217,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1126,9 +1228,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1137,9 +1240,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1147,9 +1251,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1158,9 +1263,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1169,9 +1275,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1179,6 +1286,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1188,9 +1296,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1198,9 +1307,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1209,9 +1319,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1220,9 +1331,10 @@ public List<IFeature> QueryParameter()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1567740791820_867719_18017", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1622831790393_676695_195")]
+        [Implements(implementation: "IPerformActionUsage.PerformedAction")]
         public IActionUsage QueryPerformedAction()
         {
-            throw new NotImplementedException("Derived property PerformedAction not yet supported");
+            return this.ComputePerformedAction();
         }
 
         /// <summary>
@@ -1231,6 +1343,7 @@ public IActionUsage QueryPerformedAction()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1242,9 +1355,10 @@ public IActionUsage QueryPerformedAction()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1254,9 +1368,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1265,9 +1380,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1278,9 +1394,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1291,9 +1408,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1301,9 +1419,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1312,9 +1431,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1323,9 +1443,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/PortConjugation.cs b/SysML2.NET/Core/AutoGenPoco/PortConjugation.cs
index bb566670..15864a19 100644
--- a/SysML2.NET/Core/AutoGenPoco/PortConjugation.cs
+++ b/SysML2.NET/Core/AutoGenPoco/PortConjugation.cs
@@ -56,6 +56,7 @@ public partial class PortConjugation : IPortConjugation
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -63,9 +64,10 @@ public partial class PortConjugation : IPortConjugation
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575484344899_880331_946", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1575482646809_778895_441")]
+        [Implements(implementation: "IPortConjugation.ConjugatedPortDefinition")]
         public IConjugatedPortDefinition QueryConjugatedPortDefinition()
         {
-            throw new NotImplementedException("Derived property ConjugatedPortDefinition not yet supported");
+            return this.ComputeConjugatedPortDefinition();
         }
 
         /// <summary>
@@ -73,12 +75,14 @@ public IConjugatedPortDefinition QueryConjugatedPortDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575482490143_721644_299", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConjugation.ConjugatedType")]
         public IType ConjugatedType { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -88,6 +92,7 @@ public IConjugatedPortDefinition QueryConjugatedPortDefinition()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -96,9 +101,10 @@ public IConjugatedPortDefinition QueryConjugatedPortDefinition()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -106,6 +112,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -113,6 +120,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -123,15 +131,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -141,9 +151,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -151,6 +162,7 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575484331999_998721_917", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1575482354187_108424_237")]
+        [Implements(implementation: "IPortConjugation.OriginalPortDefinition")]
         public IPortDefinition OriginalPortDefinition { get; set; }
 
         /// <summary>
@@ -158,7 +170,9 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575482354187_108424_237", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IPortConjugation.OriginalPortDefinition")] public IType OriginalType { get; set; }
+        [RedefinedByProperty("IPortConjugation.OriginalPortDefinition")]
+        [Implements(implementation: "IConjugation.OriginalType")]
+        public IType OriginalType { get; set; }
 
         /// <summary>
         /// The ownedRelationships of this Element that are Annotations, for which this Element is the
@@ -167,9 +181,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -177,9 +192,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -187,6 +203,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -194,6 +211,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -201,9 +219,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -212,9 +231,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -223,9 +243,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -233,6 +254,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -240,6 +262,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -249,9 +272,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490143_721644_299")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedByProperty("IPortConjugation.ConjugatedPortDefinition")]
+        [Implements(implementation: "IConjugation.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -263,9 +287,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -273,9 +298,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -285,9 +311,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -295,14 +322,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConjugation.ConjugatedType")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConjugation.ConjugatedType")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConjugation.OriginalType")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConjugation.OriginalType")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -310,9 +341,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/PortDefinition.cs b/SysML2.NET/Core/AutoGenPoco/PortDefinition.cs
index d3215462..2ccbe661 100644
--- a/SysML2.NET/Core/AutoGenPoco/PortDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/PortDefinition.cs
@@ -78,6 +78,7 @@ public partial class PortDefinition : IPortDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -85,15 +86,17 @@ public partial class PortDefinition : IPortDefinition
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575484364015_206236_989", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IPortDefinition.ConjugatedPortDefinition")]
         public IConjugatedPortDefinition QueryConjugatedPortDefinition()
         {
-            throw new NotImplementedException("Derived property ConjugatedPortDefinition not yet supported");
+            return this.ComputeConjugatedPortDefinition();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -103,6 +106,7 @@ public IConjugatedPortDefinition QueryConjugatedPortDefinition()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -115,9 +119,10 @@ public IConjugatedPortDefinition QueryConjugatedPortDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -125,9 +130,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -136,9 +142,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -147,9 +154,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -157,6 +165,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -164,9 +173,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -174,9 +184,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -185,9 +196,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -195,9 +207,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -205,9 +218,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -216,9 +230,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -226,9 +241,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -241,9 +257,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -251,15 +268,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -270,21 +289,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -296,6 +318,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -303,6 +326,7 @@ public bool QueryIsLibraryElement()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -310,9 +334,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -320,9 +345,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -332,9 +358,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -344,9 +371,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -354,9 +382,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -364,9 +393,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -374,9 +404,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -384,9 +415,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -396,9 +428,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -406,9 +439,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -416,9 +450,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -426,9 +461,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -436,9 +472,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -447,9 +484,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -459,9 +497,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -469,9 +508,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -481,9 +521,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -493,9 +534,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -503,9 +545,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -514,9 +557,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -524,9 +568,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -534,9 +579,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -546,9 +592,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -556,9 +603,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -568,9 +616,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -578,9 +627,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -589,9 +639,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -599,9 +650,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -610,9 +662,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -623,9 +676,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -633,9 +687,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -643,9 +698,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -653,9 +709,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -663,9 +720,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -673,9 +731,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -683,6 +742,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -690,9 +750,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -700,9 +761,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -712,9 +774,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -722,9 +785,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -733,9 +797,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -743,9 +808,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -754,9 +820,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -765,9 +832,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -775,9 +843,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -785,9 +854,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -795,9 +865,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -805,9 +876,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -815,9 +887,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -826,9 +899,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -837,9 +911,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -847,6 +922,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -858,9 +934,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -870,9 +947,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -881,9 +959,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -894,9 +973,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -904,9 +984,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -915,9 +996,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -927,9 +1009,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/PortUsage.cs b/SysML2.NET/Core/AutoGenPoco/PortUsage.cs
index d9c787e8..5008a3dd 100644
--- a/SysML2.NET/Core/AutoGenPoco/PortUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/PortUsage.cs
@@ -79,6 +79,7 @@ public partial class PortUsage : IPortUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -90,9 +91,10 @@ public partial class PortUsage : IPortUsage
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -102,15 +104,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -120,6 +124,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -130,9 +135,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -145,9 +151,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -155,9 +162,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -166,9 +174,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -176,6 +185,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -184,9 +194,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -194,6 +205,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -201,9 +213,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -213,9 +226,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -223,9 +237,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -234,18 +249,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -255,9 +272,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -265,9 +283,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -275,9 +294,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -285,9 +305,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -296,9 +317,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -306,9 +328,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -321,9 +344,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -331,6 +355,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -339,15 +364,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -355,12 +382,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -374,6 +403,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -384,6 +414,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -391,21 +422,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -413,15 +447,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -433,12 +469,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -446,13 +484,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -465,9 +506,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -475,9 +517,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -485,9 +528,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -497,9 +541,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -509,9 +554,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -519,9 +565,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -529,9 +576,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -539,9 +587,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -549,9 +598,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -559,9 +609,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -569,9 +620,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -579,9 +631,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -591,9 +644,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -601,9 +655,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -611,9 +666,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -621,9 +677,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -631,9 +688,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -641,9 +699,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -651,9 +710,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -661,9 +721,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -671,9 +732,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -681,9 +743,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -691,9 +754,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -701,9 +765,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -711,9 +776,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -721,9 +787,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -731,9 +798,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -742,9 +810,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -752,9 +821,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -762,9 +832,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -772,9 +843,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -782,9 +854,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -795,9 +868,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IPortUsage.PortDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -805,9 +879,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -817,9 +892,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -828,9 +904,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -839,9 +916,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -851,9 +929,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -863,9 +942,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -873,9 +953,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -884,9 +965,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -894,9 +976,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -906,9 +989,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -918,9 +1002,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -930,9 +1015,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -942,9 +1028,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -953,9 +1040,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -964,9 +1052,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -977,9 +1066,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -988,9 +1078,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -999,9 +1090,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1009,6 +1101,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1018,9 +1111,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1030,9 +1124,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1042,9 +1137,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1054,9 +1150,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1065,9 +1162,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1075,9 +1173,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1086,9 +1185,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1096,9 +1196,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1107,9 +1208,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1118,9 +1220,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1128,6 +1231,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1137,9 +1241,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1147,9 +1252,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1157,9 +1263,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565492740124_880100_25026", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IPortUsage.PortDefinition")]
         public List<IPortDefinition> QueryPortDefinition()
         {
-            throw new NotImplementedException("Derived property PortDefinition not yet supported");
+            return this.ComputePortDefinition();
         }
 
         /// <summary>
@@ -1168,6 +1275,7 @@ public List<IPortDefinition> QueryPortDefinition()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1179,9 +1287,10 @@ public List<IPortDefinition> QueryPortDefinition()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1191,9 +1300,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1202,9 +1312,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1215,9 +1326,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1228,9 +1340,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1238,9 +1351,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1249,9 +1363,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1260,9 +1375,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Predicate.cs b/SysML2.NET/Core/AutoGenPoco/Predicate.cs
index 727b7c61..302ad4d3 100644
--- a/SysML2.NET/Core/AutoGenPoco/Predicate.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Predicate.cs
@@ -55,12 +55,14 @@ public partial class Predicate : IPredicate
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -70,6 +72,7 @@ public partial class Predicate : IPredicate
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -82,9 +85,10 @@ public partial class Predicate : IPredicate
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -93,9 +97,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -104,9 +109,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -114,6 +120,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -121,9 +128,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -131,9 +139,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948400639_301251_20841", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
+        [Implements(implementation: "IFunction.Expression")]
         public List<IExpression> QueryExpression()
         {
-            throw new NotImplementedException("Derived property Expression not yet supported");
+            return this.ComputeExpression();
         }
 
         /// <summary>
@@ -141,9 +150,10 @@ public List<IExpression> QueryExpression()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -152,9 +162,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -162,9 +173,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -172,9 +184,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -183,9 +196,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -193,9 +207,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -208,9 +223,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -218,15 +234,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -237,15 +255,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -256,9 +276,10 @@ public bool QueryIsLibraryElement()
         /// model-level evaluable.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617395221463_139517_26381", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFunction.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
@@ -270,6 +291,7 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -277,9 +299,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -287,9 +310,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -299,9 +323,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -311,9 +336,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -321,9 +347,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -333,9 +360,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -344,9 +372,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -356,9 +385,10 @@ public IConjugation QueryOwnedConjugator()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -368,9 +398,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -378,9 +409,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -389,9 +421,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -399,9 +432,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -411,9 +445,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -423,9 +458,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -434,9 +470,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -445,9 +482,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -458,9 +496,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -468,6 +507,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -477,9 +517,10 @@ public List<IMembership> QueryOwnedMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -488,9 +529,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -499,9 +541,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -509,9 +552,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -520,9 +564,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -531,9 +576,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -541,6 +587,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -549,9 +596,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -563,9 +611,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -574,9 +623,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_18_5_3_12e503d9_1543948912268_88159_21323", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
+        [Implements(implementation: "IFunction.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -586,9 +636,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -596,9 +647,10 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -607,9 +659,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -620,9 +673,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Redefinition.cs b/SysML2.NET/Core/AutoGenPoco/Redefinition.cs
index 4270a4c8..328c0c32 100644
--- a/SysML2.NET/Core/AutoGenPoco/Redefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Redefinition.cs
@@ -63,12 +63,14 @@ public partial class Redefinition : IRedefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -78,6 +80,7 @@ public partial class Redefinition : IRedefinition
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -86,9 +89,10 @@ public partial class Redefinition : IRedefinition
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -96,6 +100,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -103,13 +108,16 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674980_563969_43273", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("ISubsetting.SubsettedFeature")] public IType General { get; set; }
+        [RedefinedByProperty("ISubsetting.SubsettedFeature")]
+        [Implements(implementation: "ISpecialization.General")]
+        public IType General { get; set; }
 
         /// <summary>
         /// Whether this Relationship was generated by tooling to meet semantic rules, rather than being
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -120,15 +128,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -138,9 +148,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -150,9 +161,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -160,9 +172,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -170,6 +183,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -177,6 +191,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -184,9 +199,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -195,9 +211,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_236250_43311", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674967_140305_43206")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_573157_43226")]
+        [Implements(implementation: "ISubsetting.OwningFeature")]
         public IFeature QueryOwningFeature()
         {
-            throw new NotImplementedException("Derived property OwningFeature not yet supported");
+            return this.ComputeOwningFeature();
         }
 
         /// <summary>
@@ -206,9 +223,10 @@ public IFeature QueryOwningFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -217,9 +235,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -227,6 +246,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -234,6 +254,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -243,9 +264,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
         [RedefinedByProperty("ISubsetting.OwningFeature")]
+        [Implements(implementation: "ISpecialization.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -257,9 +279,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -267,6 +290,7 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674973_199798_43245", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_393191_43181")]
+        [Implements(implementation: "IRedefinition.RedefinedFeature")]
         public IFeature RedefinedFeature { get; set; }
 
         /// <summary>
@@ -274,6 +298,7 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674958_414216_43160", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674967_140305_43206")]
+        [Implements(implementation: "IRedefinition.RedefiningFeature")]
         public IFeature RedefiningFeature { get; set; }
 
         /// <summary>
@@ -281,9 +306,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -293,9 +319,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -303,35 +330,45 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.Specific")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("ISpecialization.Specific")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// A Type with a subset of all instances of the general Type, which might be the same set.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674982_253967_43281", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
-        [RedefinedByProperty("ISubsetting.SubsettingFeature")] public IType Specific { get; set; }
+        [RedefinedByProperty("ISubsetting.SubsettingFeature")]
+        [Implements(implementation: "ISpecialization.Specific")]
+        public IType Specific { get; set; }
 
         /// <summary>
         /// The Feature that is subsetted by the subsettingFeature of this Subsetting.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_393191_43181", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_563969_43273")]
-        [RedefinedByProperty("IRedefinition.RedefinedFeature")] public IFeature SubsettedFeature { get; set; }
+        [RedefinedByProperty("IRedefinition.RedefinedFeature")]
+        [Implements(implementation: "ISubsetting.SubsettedFeature")]
+        public IFeature SubsettedFeature { get; set; }
 
         /// <summary>
         /// The Feature that is a subset of the subsettedFeature of this Subsetting.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674967_140305_43206", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
-        [RedefinedByProperty("IRedefinition.RedefiningFeature")] public IFeature SubsettingFeature { get; set; }
+        [RedefinedByProperty("IRedefinition.RedefiningFeature")]
+        [Implements(implementation: "ISubsetting.SubsettingFeature")]
+        public IFeature SubsettingFeature { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.General")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("ISpecialization.General")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -339,9 +376,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ReferenceSubsetting.cs b/SysML2.NET/Core/AutoGenPoco/ReferenceSubsetting.cs
index 1f5622be..d612636b 100644
--- a/SysML2.NET/Core/AutoGenPoco/ReferenceSubsetting.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ReferenceSubsetting.cs
@@ -57,12 +57,14 @@ public partial class ReferenceSubsetting : IReferenceSubsetting
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -72,6 +74,7 @@ public partial class ReferenceSubsetting : IReferenceSubsetting
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -80,9 +83,10 @@ public partial class ReferenceSubsetting : IReferenceSubsetting
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -90,6 +94,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -97,13 +102,16 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674980_563969_43273", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("ISubsetting.SubsettedFeature")] public IType General { get; set; }
+        [RedefinedByProperty("ISubsetting.SubsettedFeature")]
+        [Implements(implementation: "ISpecialization.General")]
+        public IType General { get; set; }
 
         /// <summary>
         /// Whether this Relationship was generated by tooling to meet semantic rules, rather than being
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -114,15 +122,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -132,9 +142,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -144,9 +155,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -154,9 +166,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -164,6 +177,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -171,6 +185,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -178,9 +193,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -190,9 +206,10 @@ public IElement QueryOwner()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674967_140305_43206")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_573157_43226")]
         [RedefinedByProperty("IReferenceSubsetting.ReferencingFeature")]
+        [Implements(implementation: "ISubsetting.OwningFeature")]
         public IFeature QueryOwningFeature()
         {
-            throw new NotImplementedException("Derived property OwningFeature not yet supported");
+            return this.ComputeOwningFeature();
         }
 
         /// <summary>
@@ -201,9 +218,10 @@ public IFeature QueryOwningFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -212,9 +230,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -222,6 +241,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -229,6 +249,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -238,9 +259,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
         [RedefinedByProperty("ISubsetting.OwningFeature")]
+        [Implements(implementation: "ISpecialization.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -252,9 +274,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -262,6 +285,7 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555055089_291547_207", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_393191_43181")]
+        [Implements(implementation: "IReferenceSubsetting.ReferencedFeature")]
         public IFeature ReferencedFeature { get; set; }
 
         /// <summary>
@@ -270,9 +294,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_4_12e503d9_1661555161575_539076_256", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_236250_43311")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674967_140305_43206")]
+        [Implements(implementation: "IReferenceSubsetting.ReferencingFeature")]
         public IFeature QueryReferencingFeature()
         {
-            throw new NotImplementedException("Derived property ReferencingFeature not yet supported");
+            return this.ComputeReferencingFeature();
         }
 
         /// <summary>
@@ -280,9 +305,10 @@ public IFeature QueryReferencingFeature()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -292,9 +318,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -302,35 +329,45 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.Specific")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("ISpecialization.Specific")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// A Type with a subset of all instances of the general Type, which might be the same set.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674982_253967_43281", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
-        [RedefinedByProperty("ISubsetting.SubsettingFeature")] public IType Specific { get; set; }
+        [RedefinedByProperty("ISubsetting.SubsettingFeature")]
+        [Implements(implementation: "ISpecialization.Specific")]
+        public IType Specific { get; set; }
 
         /// <summary>
         /// The Feature that is subsetted by the subsettingFeature of this Subsetting.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_393191_43181", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_563969_43273")]
-        [RedefinedByProperty("IReferenceSubsetting.ReferencedFeature")] public IFeature SubsettedFeature { get; set; }
+        [RedefinedByProperty("IReferenceSubsetting.ReferencedFeature")]
+        [Implements(implementation: "ISubsetting.SubsettedFeature")]
+        public IFeature SubsettedFeature { get; set; }
 
         /// <summary>
         /// The Feature that is a subset of the subsettedFeature of this Subsetting.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674967_140305_43206", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
-        [RedefinedByProperty("IReferenceSubsetting.ReferencingFeature")] public IFeature SubsettingFeature { get; set; }
+        [RedefinedByProperty("IReferenceSubsetting.ReferencingFeature")]
+        [Implements(implementation: "ISubsetting.SubsettingFeature")]
+        public IFeature SubsettingFeature { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.General")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("ISpecialization.General")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -338,9 +375,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ReferenceUsage.cs b/SysML2.NET/Core/AutoGenPoco/ReferenceUsage.cs
index 50503982..1d9dce08 100644
--- a/SysML2.NET/Core/AutoGenPoco/ReferenceUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ReferenceUsage.cs
@@ -80,6 +80,7 @@ public partial class ReferenceUsage : IReferenceUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -91,9 +92,10 @@ public partial class ReferenceUsage : IReferenceUsage
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -103,15 +105,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -121,6 +125,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -130,9 +135,10 @@ public IFeature QueryCrossFeature()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -145,9 +151,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -155,9 +162,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -166,9 +174,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -176,6 +185,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -184,9 +194,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -194,6 +205,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -201,9 +213,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -213,9 +226,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -223,9 +237,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -234,18 +249,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -255,9 +272,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -265,9 +283,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -275,9 +294,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -286,9 +306,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -296,9 +317,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -311,9 +333,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -321,6 +344,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -329,15 +353,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -345,12 +371,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -364,6 +392,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -374,21 +403,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -396,6 +428,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -403,9 +436,10 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035133434_200283_41434", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1624035114787_488767_41423")]
+        [Implements(implementation: "IReferenceUsage.IsReference")]
         bool IReferenceUsage.QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -413,9 +447,10 @@ bool IReferenceUsage.QueryIsReference()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IReferenceUsage.IsReference")]
+        [Implements(implementation: "IUsage.IsReference")]
         bool IUsage.QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -427,12 +462,14 @@ bool IUsage.QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -440,13 +477,16 @@ bool IUsage.QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -459,9 +499,10 @@ bool IUsage.QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -469,9 +510,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -479,9 +521,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -491,9 +534,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -503,9 +547,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -513,9 +558,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -523,9 +569,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -533,9 +580,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -543,9 +591,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -553,9 +602,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -563,9 +613,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -573,9 +624,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -585,9 +637,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -595,9 +648,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -615,9 +670,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -625,9 +681,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -635,9 +692,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -645,9 +703,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -655,9 +714,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -665,9 +725,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -675,9 +736,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -685,9 +747,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -695,9 +758,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -705,9 +769,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -715,9 +780,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -725,9 +791,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -736,9 +803,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -746,9 +814,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -756,9 +825,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -766,9 +836,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -776,9 +847,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -786,9 +858,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -798,9 +871,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -809,9 +883,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -820,9 +895,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -832,9 +908,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -844,9 +921,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -854,9 +932,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -865,9 +944,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -875,9 +955,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -887,9 +968,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -899,9 +981,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -911,9 +994,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -923,9 +1007,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -934,9 +1019,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -945,9 +1031,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -958,9 +1045,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -969,9 +1057,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -980,9 +1069,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -990,6 +1080,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -999,9 +1090,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1011,9 +1103,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1023,9 +1116,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1035,9 +1129,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1046,9 +1141,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1056,9 +1152,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1067,9 +1164,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1077,9 +1175,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1088,9 +1187,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1099,9 +1199,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1109,6 +1210,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1118,9 +1220,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1128,9 +1231,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1142,9 +1246,10 @@ public IUsage QueryOwningUsage()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1154,9 +1259,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1165,9 +1271,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1178,9 +1285,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1191,9 +1299,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1201,9 +1310,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1212,9 +1322,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1223,9 +1334,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Relationship.cs b/SysML2.NET/Core/AutoGenPoco/Relationship.cs
index 7b9dd16a..8d72485e 100644
--- a/SysML2.NET/Core/AutoGenPoco/Relationship.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Relationship.cs
@@ -61,12 +61,14 @@ public partial class Relationship : IRelationship
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -76,6 +78,7 @@ public partial class Relationship : IRelationship
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -84,9 +87,10 @@ public partial class Relationship : IRelationship
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -94,6 +98,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -101,6 +106,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -111,15 +117,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -129,9 +137,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -141,9 +150,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -151,9 +161,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -161,6 +172,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -168,6 +180,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -175,9 +188,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -186,9 +200,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -197,9 +212,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -207,6 +223,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -214,6 +231,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -225,9 +243,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -235,9 +254,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -247,9 +267,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -257,6 +278,7 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.Source")]
         public List<IElement> Source { get; set; }
 
         /// <summary>
@@ -264,6 +286,7 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.Target")]
         public List<IElement> Target { get; set; }
 
         /// <summary>
@@ -272,9 +295,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/RenderingDefinition.cs b/SysML2.NET/Core/AutoGenPoco/RenderingDefinition.cs
index e064496a..4ce00534 100644
--- a/SysML2.NET/Core/AutoGenPoco/RenderingDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/RenderingDefinition.cs
@@ -76,12 +76,14 @@ public partial class RenderingDefinition : IRenderingDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -91,6 +93,7 @@ public partial class RenderingDefinition : IRenderingDefinition
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -103,9 +106,10 @@ public partial class RenderingDefinition : IRenderingDefinition
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -113,9 +117,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -124,9 +129,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -135,9 +141,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -145,6 +152,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -152,9 +160,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -162,9 +171,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -173,9 +183,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -183,9 +194,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -193,9 +205,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -204,9 +217,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -214,9 +228,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -229,9 +244,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -239,15 +255,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -258,21 +276,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -284,6 +305,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -291,6 +313,7 @@ public bool QueryIsLibraryElement()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -298,9 +321,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -308,9 +332,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -320,9 +345,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -332,9 +358,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -342,9 +369,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -352,9 +380,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -362,9 +391,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -372,9 +402,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -384,9 +415,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -394,9 +426,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -404,9 +437,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -414,9 +448,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -424,9 +459,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -435,9 +471,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -447,9 +484,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -457,9 +495,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -469,9 +508,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -481,9 +521,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -491,9 +532,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -502,9 +544,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -512,9 +555,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -522,9 +566,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -534,9 +579,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -544,9 +590,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -556,9 +603,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -566,9 +614,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -577,9 +626,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -587,9 +637,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -598,9 +649,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -611,9 +663,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -621,9 +674,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -631,9 +685,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -641,9 +696,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -651,9 +707,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -661,9 +718,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -671,6 +729,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -678,9 +737,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -688,9 +748,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -700,9 +761,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -710,9 +772,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -721,9 +784,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -731,9 +795,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -742,9 +807,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -753,9 +819,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -763,9 +830,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -773,9 +841,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -783,9 +852,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -793,9 +863,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -803,9 +874,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -814,9 +886,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -825,9 +898,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -835,6 +909,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -846,9 +921,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -856,9 +932,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741367270_249607_6373", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IRenderingDefinition.Rendering")]
         public List<IRenderingUsage> QueryRendering()
         {
-            throw new NotImplementedException("Derived property Rendering not yet supported");
+            return this.ComputeRendering();
         }
 
         /// <summary>
@@ -868,9 +945,10 @@ public List<IRenderingUsage> QueryRendering()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -879,9 +957,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -892,9 +971,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -902,9 +982,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -913,9 +994,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -925,9 +1007,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/RenderingUsage.cs b/SysML2.NET/Core/AutoGenPoco/RenderingUsage.cs
index 524baff9..6ac95cf8 100644
--- a/SysML2.NET/Core/AutoGenPoco/RenderingUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/RenderingUsage.cs
@@ -80,6 +80,7 @@ public partial class RenderingUsage : IRenderingUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -91,9 +92,10 @@ public partial class RenderingUsage : IRenderingUsage
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -103,15 +105,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -121,6 +125,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -131,9 +136,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -146,9 +152,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -156,9 +163,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -167,9 +175,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -177,6 +186,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -185,9 +195,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -195,6 +206,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -202,9 +214,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -214,9 +227,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -224,9 +238,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -235,18 +250,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -256,9 +273,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -266,9 +284,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -276,9 +295,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -286,9 +306,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -297,9 +318,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -307,9 +329,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -322,9 +345,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -332,6 +356,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -340,15 +365,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -356,12 +383,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -375,6 +404,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -385,6 +415,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -392,21 +423,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -414,15 +448,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -434,12 +470,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -447,13 +485,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -463,9 +504,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565471361757_649736_20796", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IItemUsage.ItemDefinition")]
         public List<IStructure> QueryItemDefinition()
         {
-            throw new NotImplementedException("Derived property ItemDefinition not yet supported");
+            return this.ComputeItemDefinition();
         }
 
         /// <summary>
@@ -478,9 +520,10 @@ public List<IStructure> QueryItemDefinition()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -488,9 +531,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -498,9 +542,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -510,9 +555,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -522,9 +568,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -532,9 +579,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -542,9 +590,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -552,9 +601,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -562,9 +612,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -572,9 +623,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -582,9 +634,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -592,9 +645,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -604,9 +658,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -614,9 +669,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -624,9 +680,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -634,9 +691,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -644,9 +702,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -654,9 +713,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -664,9 +724,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -674,9 +735,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -684,9 +746,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -694,9 +757,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -704,9 +768,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -714,9 +779,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -724,9 +790,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -734,9 +801,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -744,9 +812,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -755,9 +824,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -765,9 +835,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -775,9 +846,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -785,9 +857,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -795,9 +868,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -807,9 +881,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -817,9 +892,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -829,9 +905,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -840,9 +917,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -851,9 +929,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -863,9 +942,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -875,9 +955,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -885,9 +966,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -896,9 +978,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -906,9 +989,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -918,9 +1002,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -930,9 +1015,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -942,9 +1028,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -954,9 +1041,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -965,9 +1053,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -976,9 +1065,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -989,9 +1079,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1000,9 +1091,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1011,9 +1103,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1021,6 +1114,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1030,9 +1124,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1042,9 +1137,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1054,9 +1150,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1066,9 +1163,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1077,9 +1175,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1087,9 +1186,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1098,9 +1198,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1108,9 +1209,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1119,9 +1221,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1130,9 +1233,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1140,6 +1244,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1149,9 +1254,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1159,9 +1265,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1170,9 +1277,10 @@ public IUsage QueryOwningUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1591475180488_929065_121", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565471361757_649736_20796")]
         [RedefinedByProperty("IRenderingUsage.RenderingDefinition")]
+        [Implements(implementation: "IPartUsage.PartDefinition")]
         public List<IPartDefinition> QueryPartDefinition()
         {
-            throw new NotImplementedException("Derived property PartDefinition not yet supported");
+            return this.ComputePartDefinition();
         }
 
         /// <summary>
@@ -1181,6 +1289,7 @@ public List<IPartDefinition> QueryPartDefinition()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1192,9 +1301,10 @@ public List<IPartDefinition> QueryPartDefinition()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1202,9 +1312,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741320785_268295_6306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591475180488_929065_121")]
+        [Implements(implementation: "IRenderingUsage.RenderingDefinition")]
         public IRenderingDefinition QueryRenderingDefinition()
         {
-            throw new NotImplementedException("Derived property RenderingDefinition not yet supported");
+            return this.ComputeRenderingDefinition();
         }
 
         /// <summary>
@@ -1214,9 +1325,10 @@ public IRenderingDefinition QueryRenderingDefinition()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1225,9 +1337,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1238,9 +1351,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1251,9 +1365,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1261,9 +1376,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1272,9 +1388,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1283,9 +1400,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/RequirementConstraintMembership.cs b/SysML2.NET/Core/AutoGenPoco/RequirementConstraintMembership.cs
index 6238a666..105f4275 100644
--- a/SysML2.NET/Core/AutoGenPoco/RequirementConstraintMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/RequirementConstraintMembership.cs
@@ -57,12 +57,14 @@ public partial class RequirementConstraintMembership : IRequirementConstraintMem
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -72,6 +74,7 @@ public partial class RequirementConstraintMembership : IRequirementConstraintMem
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -80,9 +83,10 @@ public partial class RequirementConstraintMembership : IRequirementConstraintMem
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -90,6 +94,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -97,6 +102,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -107,21 +113,24 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether the RequirementConstraintMembership is for an assumed or required ConstraintUsage.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1584048161309_821854_390", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IRequirementConstraintMembership.Kind")]
         public RequirementConstraintKind Kind { get; set; }
 
         /// <summary>
@@ -129,23 +138,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -155,16 +169,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -173,9 +190,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -185,9 +203,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -195,9 +214,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1584048366950_985767_426", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674993_898044_43344")]
+        [Implements(implementation: "IRequirementConstraintMembership.OwnedConstraint")]
         public IConstraintUsage QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -205,9 +225,10 @@ public IConstraintUsage QueryOwnedConstraint()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -218,9 +239,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -228,9 +250,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -240,9 +263,10 @@ public string QueryOwnedMemberElementId()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
         [RedefinedByProperty("IRequirementConstraintMembership.OwnedConstraint")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         public IFeature QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -250,9 +274,10 @@ public IFeature QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -260,9 +285,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -270,6 +296,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -277,6 +304,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -284,9 +312,10 @@ public string QueryOwnedMemberShortName()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -295,9 +324,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -306,9 +336,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -316,6 +347,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -323,6 +355,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -331,9 +364,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -345,9 +379,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -356,9 +391,10 @@ public string QueryQualifiedName()
         /// otherwise, the ownedConstraint itself.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617118807597_77864_3544", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IRequirementConstraintMembership.ReferencedConstraint")]
         public IConstraintUsage QueryReferencedConstraint()
         {
-            throw new NotImplementedException("Derived property ReferencedConstraint not yet supported");
+            return this.ComputeReferencedConstraint();
         }
 
         /// <summary>
@@ -366,9 +402,10 @@ public IConstraintUsage QueryReferencedConstraint()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -378,9 +415,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -388,14 +426,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -403,9 +445,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -413,6 +456,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/RequirementDefinition.cs b/SysML2.NET/Core/AutoGenPoco/RequirementDefinition.cs
index 9e45faaa..fe4f9e5b 100644
--- a/SysML2.NET/Core/AutoGenPoco/RequirementDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/RequirementDefinition.cs
@@ -81,15 +81,17 @@ public partial class RequirementDefinition : IRequirementDefinition
         [Property(xmiId: "_19_0_4_12e503d9_1621564041941_652319_2722", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IRequirementDefinition.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -99,15 +101,17 @@ public List<IPartUsage> QueryActorParameter()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376806647_629021_133", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementDefinition.AssumedConstraint")]
         public List<IConstraintUsage> QueryAssumedConstraint()
         {
-            throw new NotImplementedException("Derived property AssumedConstraint not yet supported");
+            return this.ComputeAssumedConstraint();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -117,7 +121,9 @@ public List<IConstraintUsage> QueryAssumedConstraint()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IRequirementDefinition.ReqId")] public string DeclaredShortName { get; set; }
+        [RedefinedByProperty("IRequirementDefinition.ReqId")]
+        [Implements(implementation: "IElement.DeclaredShortName")]
+        public string DeclaredShortName { get; set; }
 
         /// <summary>
         /// The interpretations of a Type with differencingTypes are asserted to be those of the first of those
@@ -129,9 +135,10 @@ public List<IConstraintUsage> QueryAssumedConstraint()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -140,9 +147,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -151,9 +159,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -162,9 +171,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -172,6 +182,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -179,9 +190,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -189,9 +201,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948400639_301251_20841", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
+        [Implements(implementation: "IFunction.Expression")]
         public List<IExpression> QueryExpression()
         {
-            throw new NotImplementedException("Derived property Expression not yet supported");
+            return this.ComputeExpression();
         }
 
         /// <summary>
@@ -199,9 +212,10 @@ public List<IExpression> QueryExpression()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -210,9 +224,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -221,9 +236,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617116733499_587735_3242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583376932997_792124_158")]
+        [Implements(implementation: "IRequirementDefinition.FramedConcern")]
         public List<IConcernUsage> QueryFramedConcern()
         {
-            throw new NotImplementedException("Derived property FramedConcern not yet supported");
+            return this.ComputeFramedConcern();
         }
 
         /// <summary>
@@ -231,9 +247,10 @@ public List<IConcernUsage> QueryFramedConcern()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -241,9 +258,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -252,9 +270,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -262,9 +281,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -277,9 +297,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -287,15 +308,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -306,21 +329,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -331,9 +357,10 @@ public bool QueryIsLibraryElement()
         /// model-level evaluable.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617395221463_139517_26381", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFunction.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
@@ -345,6 +372,7 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -352,6 +380,7 @@ public bool QueryIsModelLevelEvaluable()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -359,9 +388,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -369,9 +399,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -381,9 +412,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -393,9 +425,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -403,9 +436,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -413,9 +447,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -423,9 +458,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -433,9 +469,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -445,9 +482,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -455,9 +493,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -465,9 +504,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -475,9 +515,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -485,9 +526,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -496,9 +538,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -508,9 +551,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -518,9 +562,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -530,9 +575,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -542,9 +588,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -552,9 +599,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -563,9 +611,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -573,9 +622,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -583,9 +633,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -595,9 +646,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -605,9 +657,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -617,9 +670,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -627,9 +681,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -638,9 +693,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -648,9 +704,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -659,9 +716,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -672,9 +730,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -682,9 +741,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -692,9 +752,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -702,9 +763,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -712,9 +774,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -722,9 +785,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -732,6 +796,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -739,9 +804,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -749,9 +815,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -761,9 +828,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -771,9 +839,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -782,9 +851,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -792,9 +862,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -803,9 +874,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -814,9 +886,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -824,9 +897,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -834,9 +908,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -844,9 +919,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -854,9 +930,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -864,9 +941,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -875,9 +953,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -886,9 +965,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -896,6 +976,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -904,9 +985,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -918,9 +1000,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -930,6 +1013,7 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376411386_270321_92", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1594160442439_915308_4153")]
+        [Implements(implementation: "IRequirementDefinition.ReqId")]
         public string ReqId { get; set; }
 
         /// <summary>
@@ -939,9 +1023,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376932997_792124_158", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementDefinition.RequiredConstraint")]
         public List<IConstraintUsage> QueryRequiredConstraint()
         {
-            throw new NotImplementedException("Derived property RequiredConstraint not yet supported");
+            return this.ComputeRequiredConstraint();
         }
 
         /// <summary>
@@ -950,9 +1035,10 @@ public List<IConstraintUsage> QueryRequiredConstraint()
         [Property(xmiId: "_18_5_3_12e503d9_1543948912268_88159_21323", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
+        [Implements(implementation: "IFunction.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -962,9 +1048,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -973,9 +1060,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_4_12e503d9_1624033010374_29375_40166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IRequirementDefinition.StakeholderParameter")]
         public List<IPartUsage> QueryStakeholderParameter()
         {
-            throw new NotImplementedException("Derived property StakeholderParameter not yet supported");
+            return this.ComputeStakeholderParameter();
         }
 
         /// <summary>
@@ -983,9 +1071,10 @@ public List<IPartUsage> QueryStakeholderParameter()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -994,9 +1083,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1595189007408_784255_586", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IRequirementDefinition.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -1004,9 +1094,10 @@ public IUsage QuerySubjectParameter()
         /// from the bodies of the documentation of the RequirementDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376433122_189839_94", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IRequirementDefinition.Text")]
         public List<string> QueryText()
         {
-            throw new NotImplementedException("Derived property Text not yet supported");
+            return this.ComputeText();
         }
 
         /// <summary>
@@ -1015,9 +1106,10 @@ public List<string> QueryText()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1028,9 +1120,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1038,9 +1131,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1049,9 +1143,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1061,9 +1156,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/RequirementUsage.cs b/SysML2.NET/Core/AutoGenPoco/RequirementUsage.cs
index 6767d4e6..74385d94 100644
--- a/SysML2.NET/Core/AutoGenPoco/RequirementUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/RequirementUsage.cs
@@ -82,15 +82,17 @@ public partial class RequirementUsage : IRequirementUsage
         [Property(xmiId: "_19_0_4_12e503d9_1621564075474_350859_2735", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IRequirementUsage.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -100,9 +102,10 @@ public List<IPartUsage> QueryActorParameter()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583377612865_991722_535", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementUsage.AssumedConstraint")]
         public List<IConstraintUsage> QueryAssumedConstraint()
         {
-            throw new NotImplementedException("Derived property AssumedConstraint not yet supported");
+            return this.ComputeAssumedConstraint();
         }
 
         /// <summary>
@@ -111,9 +114,10 @@ public List<IConstraintUsage> QueryAssumedConstraint()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -125,9 +129,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -138,9 +143,10 @@ public List<IFeature> QueryChainingFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1578067546711_751168_1745", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1578025035149_386_969")]
         [RedefinedByProperty("IRequirementUsage.RequirementDefinition")]
+        [Implements(implementation: "IConstraintUsage.ConstraintDefinition")]
         public IPredicate QueryConstraintDefinition()
         {
-            throw new NotImplementedException("Derived property ConstraintDefinition not yet supported");
+            return this.ComputeConstraintDefinition();
         }
 
         /// <summary>
@@ -150,15 +156,17 @@ public IPredicate QueryConstraintDefinition()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -168,7 +176,9 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IRequirementUsage.ReqId")] public string DeclaredShortName { get; set; }
+        [RedefinedByProperty("IRequirementUsage.ReqId")]
+        [Implements(implementation: "IElement.DeclaredShortName")]
+        public string DeclaredShortName { get; set; }
 
         /// <summary>
         /// The Classifiers that are the types of this Usage. Nominally, these are Definitions, but other kinds
@@ -178,9 +188,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -193,9 +204,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -204,9 +216,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -215,9 +228,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -225,6 +239,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -233,9 +248,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -243,6 +259,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -250,9 +267,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -262,9 +280,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -272,9 +291,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -283,18 +303,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -304,9 +326,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -315,9 +338,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617116922864_514612_3264", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583377448339_252740_390")]
+        [Implements(implementation: "IRequirementUsage.FramedConcern")]
         public List<IConcernUsage> QueryFramedConcern()
         {
-            throw new NotImplementedException("Derived property FramedConcern not yet supported");
+            return this.ComputeFramedConcern();
         }
 
         /// <summary>
@@ -326,9 +350,10 @@ public List<IConcernUsage> QueryFramedConcern()
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("IBooleanExpression.Predicate")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -336,9 +361,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -346,9 +372,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -356,9 +383,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -367,9 +395,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -377,9 +406,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -392,9 +422,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -402,6 +433,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -410,15 +442,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -426,12 +460,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -445,6 +481,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -455,6 +492,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -462,15 +500,17 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -478,15 +518,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -494,15 +536,17 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -514,12 +558,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -527,13 +573,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -546,9 +595,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -556,9 +606,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -566,9 +617,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -578,9 +630,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -590,9 +643,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -600,9 +654,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -610,9 +665,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -620,9 +676,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -630,9 +687,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -640,9 +698,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -650,9 +709,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -660,9 +720,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -672,9 +733,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -682,9 +744,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -692,9 +755,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -702,9 +766,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -712,9 +777,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -722,9 +788,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -732,9 +799,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -742,9 +810,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -752,9 +821,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -762,9 +832,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -772,9 +843,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -782,9 +854,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -792,9 +865,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -802,9 +876,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -812,9 +887,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -823,9 +899,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -833,9 +910,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -843,9 +921,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -853,9 +932,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -863,9 +943,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -875,9 +956,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -885,9 +967,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -897,9 +980,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -908,9 +992,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -919,9 +1004,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -931,9 +1017,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -943,9 +1030,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -953,9 +1041,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -964,9 +1053,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -974,9 +1064,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -986,9 +1077,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -998,9 +1090,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1010,9 +1103,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1022,9 +1116,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1033,9 +1128,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1044,9 +1140,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1057,9 +1154,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1068,9 +1166,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1079,9 +1178,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1089,6 +1189,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1098,9 +1199,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1110,9 +1212,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1122,9 +1225,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1134,9 +1238,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1145,9 +1250,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1155,9 +1261,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1166,9 +1273,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1176,9 +1284,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1187,9 +1296,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1198,9 +1308,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1208,6 +1319,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1217,9 +1329,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1227,9 +1340,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1238,9 +1352,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1249,6 +1364,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1257,9 +1373,10 @@ public List<IFeature> QueryParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1578025035149_386_969", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543948477241_299049_20934")]
         [RedefinedByProperty("IConstraintUsage.ConstraintDefinition")]
+        [Implements(implementation: "IBooleanExpression.Predicate")]
         public IPredicate QueryPredicate()
         {
-            throw new NotImplementedException("Derived property Predicate not yet supported");
+            return this.ComputePredicate();
         }
 
         /// <summary>
@@ -1271,9 +1388,10 @@ public IPredicate QueryPredicate()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1283,6 +1401,7 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376474630_975784_96", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1594160442439_915308_4153")]
+        [Implements(implementation: "IRequirementUsage.ReqId")]
         public string ReqId { get; set; }
 
         /// <summary>
@@ -1292,9 +1411,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583377448339_252740_390", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementUsage.RequiredConstraint")]
         public List<IConstraintUsage> QueryRequiredConstraint()
         {
-            throw new NotImplementedException("Derived property RequiredConstraint not yet supported");
+            return this.ComputeRequiredConstraint();
         }
 
         /// <summary>
@@ -1302,9 +1422,10 @@ public List<IConstraintUsage> QueryRequiredConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000408905_769743_1223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1578067546711_751168_1745")]
+        [Implements(implementation: "IRequirementUsage.RequirementDefinition")]
         public IRequirementDefinition QueryRequirementDefinition()
         {
-            throw new NotImplementedException("Derived property RequirementDefinition not yet supported");
+            return this.ComputeRequirementDefinition();
         }
 
         /// <summary>
@@ -1315,9 +1436,10 @@ public IRequirementDefinition QueryRequirementDefinition()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -1327,9 +1449,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1338,9 +1461,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_4_12e503d9_1624032823963_328647_40107", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IRequirementUsage.StakeholderParameter")]
         public List<IPartUsage> QueryStakeholderParameter()
         {
-            throw new NotImplementedException("Derived property StakeholderParameter not yet supported");
+            return this.ComputeStakeholderParameter();
         }
 
         /// <summary>
@@ -1349,9 +1473,10 @@ public List<IPartUsage> QueryStakeholderParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1595189397261_941898_844", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IRequirementUsage.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -1359,9 +1484,10 @@ public IUsage QuerySubjectParameter()
         /// the bodies of the documentation of the RequirementUsage.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376480942_745679_99", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IRequirementUsage.Text")]
         public List<string> QueryText()
         {
-            throw new NotImplementedException("Derived property Text not yet supported");
+            return this.ComputeText();
         }
 
         /// <summary>
@@ -1370,9 +1496,10 @@ public List<string> QueryText()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1383,9 +1510,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1396,9 +1524,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1406,9 +1535,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1417,9 +1547,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1428,9 +1559,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/RequirementVerificationMembership.cs b/SysML2.NET/Core/AutoGenPoco/RequirementVerificationMembership.cs
index 9f394745..1f4531b2 100644
--- a/SysML2.NET/Core/AutoGenPoco/RequirementVerificationMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/RequirementVerificationMembership.cs
@@ -58,12 +58,14 @@ public partial class RequirementVerificationMembership : IRequirementVerificatio
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -73,6 +75,7 @@ public partial class RequirementVerificationMembership : IRequirementVerificatio
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -81,9 +84,10 @@ public partial class RequirementVerificationMembership : IRequirementVerificatio
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -91,6 +95,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -98,6 +103,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -108,15 +114,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -124,36 +132,44 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603921465292_637146_187", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "requirement")]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1584048161309_821854_390")]
+        [Implements(implementation: "IRequirementVerificationMembership.Kind")]
         RequirementConstraintKind IRequirementVerificationMembership.Kind { get; set; }
 
         /// <summary>
         /// Whether the RequirementConstraintMembership is for an assumed or required ConstraintUsage.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1584048161309_821854_390", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IRequirementVerificationMembership.Kind")] RequirementConstraintKind Systems.Requirements.IRequirementConstraintMembership.Kind { get; set; }
+        [RedefinedByProperty("IRequirementVerificationMembership.Kind")]
+        [Implements(implementation: "IRequirementConstraintMembership.Kind")]
+        RequirementConstraintKind Systems.Requirements.IRequirementConstraintMembership.Kind { get; set; }
 
         /// <summary>
         /// The Element that becomes a member of the membershipOwningNamespace due to this Membership.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -163,16 +179,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -181,9 +200,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -193,9 +213,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -204,9 +225,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1584048366950_985767_426", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674993_898044_43344")]
         [RedefinedByProperty("IRequirementVerificationMembership.OwnedRequirement")]
+        [Implements(implementation: "IRequirementConstraintMembership.OwnedConstraint")]
         public IConstraintUsage QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -214,9 +236,10 @@ public IConstraintUsage QueryOwnedConstraint()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -227,9 +250,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -237,9 +261,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -249,9 +274,10 @@ public string QueryOwnedMemberElementId()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
         [RedefinedByProperty("IRequirementConstraintMembership.OwnedConstraint")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         public IFeature QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -259,9 +285,10 @@ public IFeature QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -269,9 +296,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -279,6 +307,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -286,6 +315,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -295,9 +325,10 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603921329650_612380_147", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1584048366950_985767_426")]
+        [Implements(implementation: "IRequirementVerificationMembership.OwnedRequirement")]
         public IRequirementUsage QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -305,9 +336,10 @@ public IRequirementUsage QueryOwnedRequirement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -316,9 +348,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -327,9 +360,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -337,6 +371,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -344,6 +379,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -352,9 +388,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -366,9 +403,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -378,9 +416,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617118807597_77864_3544", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IRequirementVerificationMembership.VerifiedRequirement")]
+        [Implements(implementation: "IRequirementConstraintMembership.ReferencedConstraint")]
         public IConstraintUsage QueryReferencedConstraint()
         {
-            throw new NotImplementedException("Derived property ReferencedConstraint not yet supported");
+            return this.ComputeReferencedConstraint();
         }
 
         /// <summary>
@@ -388,9 +427,10 @@ public IConstraintUsage QueryReferencedConstraint()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -400,9 +440,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -410,14 +451,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -425,9 +470,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -437,9 +483,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603921870169_98378_309", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1617118807597_77864_3544")]
+        [Implements(implementation: "IRequirementVerificationMembership.VerifiedRequirement")]
         public IRequirementUsage QueryVerifiedRequirement()
         {
-            throw new NotImplementedException("Derived property VerifiedRequirement not yet supported");
+            return this.ComputeVerifiedRequirement();
         }
 
         /// <summary>
@@ -447,6 +494,7 @@ public IRequirementUsage QueryVerifiedRequirement()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ResultExpressionMembership.cs b/SysML2.NET/Core/AutoGenPoco/ResultExpressionMembership.cs
index 47b6f274..b9454470 100644
--- a/SysML2.NET/Core/AutoGenPoco/ResultExpressionMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ResultExpressionMembership.cs
@@ -57,12 +57,14 @@ public partial class ResultExpressionMembership : IResultExpressionMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -72,6 +74,7 @@ public partial class ResultExpressionMembership : IResultExpressionMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -80,9 +83,10 @@ public partial class ResultExpressionMembership : IResultExpressionMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -90,6 +94,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -97,6 +102,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -107,15 +113,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -123,23 +131,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -149,16 +162,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -167,9 +183,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -179,9 +196,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -189,9 +207,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -202,9 +221,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -212,9 +232,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -224,9 +245,10 @@ public string QueryOwnedMemberElementId()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
         [RedefinedByProperty("IResultExpressionMembership.OwnedResultExpression")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         public IFeature QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -234,9 +256,10 @@ public IFeature QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -244,9 +267,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -254,6 +278,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -261,6 +286,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -268,9 +294,10 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594868945944_989058_2545", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674993_898044_43344")]
+        [Implements(implementation: "IResultExpressionMembership.OwnedResultExpression")]
         public IExpression QueryOwnedResultExpression()
         {
-            throw new NotImplementedException("Derived property OwnedResultExpression not yet supported");
+            return this.ComputeOwnedResultExpression();
         }
 
         /// <summary>
@@ -278,9 +305,10 @@ public IExpression QueryOwnedResultExpression()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -289,9 +317,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -300,9 +329,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -310,6 +340,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -317,6 +348,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -325,9 +357,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -339,9 +372,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -349,9 +383,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -361,9 +396,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -371,14 +407,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -386,9 +426,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -396,6 +437,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ReturnParameterMembership.cs b/SysML2.NET/Core/AutoGenPoco/ReturnParameterMembership.cs
index 7599e33d..7358bcbd 100644
--- a/SysML2.NET/Core/AutoGenPoco/ReturnParameterMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ReturnParameterMembership.cs
@@ -57,12 +57,14 @@ public partial class ReturnParameterMembership : IReturnParameterMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -72,6 +74,7 @@ public partial class ReturnParameterMembership : IReturnParameterMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -80,9 +83,10 @@ public partial class ReturnParameterMembership : IReturnParameterMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -90,6 +94,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -97,6 +102,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -107,15 +113,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -123,23 +131,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -149,16 +162,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -167,9 +183,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -179,9 +196,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -189,9 +207,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -202,9 +221,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -212,9 +232,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -224,9 +245,10 @@ public string QueryOwnedMemberElementId()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
         [RedefinedByProperty("IParameterMembership.OwnedMemberParameter")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         public IFeature QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -234,9 +256,10 @@ public IFeature QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -244,9 +267,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1557528016548_548098_110830", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674993_898044_43344")]
+        [Implements(implementation: "IParameterMembership.OwnedMemberParameter")]
         public IFeature QueryOwnedMemberParameter()
         {
-            throw new NotImplementedException("Derived property OwnedMemberParameter not yet supported");
+            return this.ComputeOwnedMemberParameter();
         }
 
         /// <summary>
@@ -254,9 +278,10 @@ public IFeature QueryOwnedMemberParameter()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -264,6 +289,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -271,6 +297,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -278,9 +305,10 @@ public string QueryOwnedMemberShortName()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -289,9 +317,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -300,9 +329,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -310,6 +340,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -317,6 +348,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -325,9 +357,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -339,9 +372,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -349,9 +383,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -361,9 +396,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -371,14 +407,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -386,9 +426,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -396,6 +437,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/SatisfyRequirementUsage.cs b/SysML2.NET/Core/AutoGenPoco/SatisfyRequirementUsage.cs
index 16bf4760..2639be35 100644
--- a/SysML2.NET/Core/AutoGenPoco/SatisfyRequirementUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/SatisfyRequirementUsage.cs
@@ -85,15 +85,17 @@ public partial class SatisfyRequirementUsage : ISatisfyRequirementUsage
         [Property(xmiId: "_19_0_4_12e503d9_1621564075474_350859_2735", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IRequirementUsage.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -103,9 +105,10 @@ public List<IPartUsage> QueryActorParameter()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1581045158665_239617_9458", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("ISatisfyRequirementUsage.SatisfiedRequirement")]
+        [Implements(implementation: "IAssertConstraintUsage.AssertedConstraint")]
         public IConstraintUsage QueryAssertedConstraint()
         {
-            throw new NotImplementedException("Derived property AssertedConstraint not yet supported");
+            return this.ComputeAssertedConstraint();
         }
 
         /// <summary>
@@ -115,9 +118,10 @@ public IConstraintUsage QueryAssertedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583377612865_991722_535", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementUsage.AssumedConstraint")]
         public List<IConstraintUsage> QueryAssumedConstraint()
         {
-            throw new NotImplementedException("Derived property AssumedConstraint not yet supported");
+            return this.ComputeAssumedConstraint();
         }
 
         /// <summary>
@@ -126,9 +130,10 @@ public List<IConstraintUsage> QueryAssumedConstraint()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -140,9 +145,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -153,9 +159,10 @@ public List<IFeature> QueryChainingFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1578067546711_751168_1745", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1578025035149_386_969")]
         [RedefinedByProperty("IRequirementUsage.RequirementDefinition")]
+        [Implements(implementation: "IConstraintUsage.ConstraintDefinition")]
         public IPredicate QueryConstraintDefinition()
         {
-            throw new NotImplementedException("Derived property ConstraintDefinition not yet supported");
+            return this.ComputeConstraintDefinition();
         }
 
         /// <summary>
@@ -165,15 +172,17 @@ public IPredicate QueryConstraintDefinition()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -183,7 +192,9 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IRequirementUsage.ReqId")] public string DeclaredShortName { get; set; }
+        [RedefinedByProperty("IRequirementUsage.ReqId")]
+        [Implements(implementation: "IElement.DeclaredShortName")]
+        public string DeclaredShortName { get; set; }
 
         /// <summary>
         /// The Classifiers that are the types of this Usage. Nominally, these are Definitions, but other kinds
@@ -193,9 +204,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -208,9 +220,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -219,9 +232,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -230,9 +244,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -240,6 +255,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -248,9 +264,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -258,6 +275,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -265,9 +283,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -277,9 +296,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -287,9 +307,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -298,18 +319,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -319,9 +342,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -330,9 +354,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617116922864_514612_3264", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583377448339_252740_390")]
+        [Implements(implementation: "IRequirementUsage.FramedConcern")]
         public List<IConcernUsage> QueryFramedConcern()
         {
-            throw new NotImplementedException("Derived property FramedConcern not yet supported");
+            return this.ComputeFramedConcern();
         }
 
         /// <summary>
@@ -341,9 +366,10 @@ public List<IConcernUsage> QueryFramedConcern()
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("IBooleanExpression.Predicate")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -351,9 +377,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -361,9 +388,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -371,9 +399,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -382,9 +411,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -392,9 +422,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -407,9 +438,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -417,6 +449,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -425,15 +458,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -441,12 +476,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -460,6 +497,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -470,6 +508,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -477,15 +516,17 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -493,21 +534,24 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether this Invariant is asserted to be false rather than true.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623945815201_648891_36531", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IInvariant.IsNegated")]
         public bool IsNegated { get; set; }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -515,15 +559,17 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -535,12 +581,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -548,13 +596,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -567,9 +618,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -577,9 +629,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -587,9 +640,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -599,9 +653,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -611,9 +666,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -621,9 +677,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -631,9 +688,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -641,9 +699,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -651,9 +710,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -661,9 +721,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -671,9 +732,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -681,9 +743,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -693,9 +756,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -703,9 +767,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -713,9 +778,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -723,9 +789,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -733,9 +800,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -743,9 +811,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -753,9 +822,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -763,9 +833,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -773,9 +844,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -783,9 +855,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -793,9 +866,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -803,9 +877,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -813,9 +888,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -823,9 +899,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -833,9 +910,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -844,9 +922,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -854,9 +933,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -864,9 +944,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -874,9 +955,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -884,9 +966,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -896,9 +979,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -906,9 +990,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -918,9 +1003,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -929,9 +1015,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -940,9 +1027,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -952,9 +1040,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -964,9 +1053,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -974,9 +1064,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -985,9 +1076,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -995,9 +1087,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -1007,9 +1100,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -1019,9 +1113,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1031,9 +1126,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1043,9 +1139,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1054,9 +1151,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1065,9 +1163,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1078,9 +1177,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1089,9 +1189,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1100,9 +1201,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1110,6 +1212,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1119,9 +1222,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1131,9 +1235,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1143,9 +1248,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1155,9 +1261,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1166,9 +1273,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1176,9 +1284,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1187,9 +1296,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1197,9 +1307,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1208,9 +1319,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1219,9 +1331,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1229,6 +1342,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1238,9 +1352,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1248,9 +1363,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1259,9 +1375,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1270,6 +1387,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1278,9 +1396,10 @@ public List<IFeature> QueryParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1578025035149_386_969", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543948477241_299049_20934")]
         [RedefinedByProperty("IConstraintUsage.ConstraintDefinition")]
+        [Implements(implementation: "IBooleanExpression.Predicate")]
         public IPredicate QueryPredicate()
         {
-            throw new NotImplementedException("Derived property Predicate not yet supported");
+            return this.ComputePredicate();
         }
 
         /// <summary>
@@ -1292,9 +1411,10 @@ public IPredicate QueryPredicate()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1304,6 +1424,7 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376474630_975784_96", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1594160442439_915308_4153")]
+        [Implements(implementation: "IRequirementUsage.ReqId")]
         public string ReqId { get; set; }
 
         /// <summary>
@@ -1313,9 +1434,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583377448339_252740_390", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementUsage.RequiredConstraint")]
         public List<IConstraintUsage> QueryRequiredConstraint()
         {
-            throw new NotImplementedException("Derived property RequiredConstraint not yet supported");
+            return this.ComputeRequiredConstraint();
         }
 
         /// <summary>
@@ -1323,9 +1445,10 @@ public List<IConstraintUsage> QueryRequiredConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000408905_769743_1223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1578067546711_751168_1745")]
+        [Implements(implementation: "IRequirementUsage.RequirementDefinition")]
         public IRequirementDefinition QueryRequirementDefinition()
         {
-            throw new NotImplementedException("Derived property RequirementDefinition not yet supported");
+            return this.ComputeRequirementDefinition();
         }
 
         /// <summary>
@@ -1336,9 +1459,10 @@ public IRequirementDefinition QueryRequirementDefinition()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -1348,9 +1472,10 @@ public IFeature QueryResult()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583185037725_699150_2332", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1581045158665_239617_9458")]
+        [Implements(implementation: "ISatisfyRequirementUsage.SatisfiedRequirement")]
         public IRequirementUsage QuerySatisfiedRequirement()
         {
-            throw new NotImplementedException("Derived property SatisfiedRequirement not yet supported");
+            return this.ComputeSatisfiedRequirement();
         }
 
         /// <summary>
@@ -1358,9 +1483,10 @@ public IRequirementUsage QuerySatisfiedRequirement()
         /// The satisfyingFeature is bound to the subjectParameter of the SatisfyRequirementUsage.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583378847285_929988_1396", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ISatisfyRequirementUsage.SatisfyingFeature")]
         public IFeature QuerySatisfyingFeature()
         {
-            throw new NotImplementedException("Derived property SatisfyingFeature not yet supported");
+            return this.ComputeSatisfyingFeature();
         }
 
         /// <summary>
@@ -1370,9 +1496,10 @@ public IFeature QuerySatisfyingFeature()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1381,9 +1508,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_4_12e503d9_1624032823963_328647_40107", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IRequirementUsage.StakeholderParameter")]
         public List<IPartUsage> QueryStakeholderParameter()
         {
-            throw new NotImplementedException("Derived property StakeholderParameter not yet supported");
+            return this.ComputeStakeholderParameter();
         }
 
         /// <summary>
@@ -1392,9 +1520,10 @@ public List<IPartUsage> QueryStakeholderParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1595189397261_941898_844", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IRequirementUsage.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -1402,9 +1531,10 @@ public IUsage QuerySubjectParameter()
         /// the bodies of the documentation of the RequirementUsage.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376480942_745679_99", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IRequirementUsage.Text")]
         public List<string> QueryText()
         {
-            throw new NotImplementedException("Derived property Text not yet supported");
+            return this.ComputeText();
         }
 
         /// <summary>
@@ -1413,9 +1543,10 @@ public List<string> QueryText()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1426,9 +1557,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1439,9 +1571,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1449,9 +1582,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1460,9 +1594,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1471,9 +1606,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/SelectExpression.cs b/SysML2.NET/Core/AutoGenPoco/SelectExpression.cs
index 2dffec42..c38f347e 100644
--- a/SysML2.NET/Core/AutoGenPoco/SelectExpression.cs
+++ b/SysML2.NET/Core/AutoGenPoco/SelectExpression.cs
@@ -57,6 +57,7 @@ public partial class SelectExpression : ISelectExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -66,9 +67,10 @@ public partial class SelectExpression : ISelectExpression
         /// InstantiationExpression.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134437590_328753_108", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IInstantiationExpression.Argument")]
         public List<IExpression> QueryArgument()
         {
-            throw new NotImplementedException("Derived property Argument not yet supported");
+            return this.ComputeArgument();
         }
 
         /// <summary>
@@ -77,9 +79,10 @@ public List<IExpression> QueryArgument()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -91,9 +94,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -103,15 +107,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -121,6 +127,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -133,9 +140,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -144,9 +152,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -154,6 +163,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -162,9 +172,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -172,6 +183,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -179,9 +191,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -191,9 +204,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -201,9 +215,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -212,18 +227,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -233,9 +250,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -243,9 +261,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -253,9 +272,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -263,9 +283,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -274,9 +295,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -284,9 +306,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -294,9 +317,10 @@ public List<IFeature> QueryInput()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134352572_416088_80", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IInstantiationExpression.InstantiatedType")]
         public IType QueryInstantiatedType()
         {
-            throw new NotImplementedException("Derived property InstantiatedType not yet supported");
+            return this.ComputeInstantiatedType();
         }
 
         /// <summary>
@@ -309,9 +333,10 @@ public IType QueryInstantiatedType()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -319,6 +344,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -327,15 +353,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -343,12 +371,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -362,6 +392,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -372,15 +403,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -388,15 +421,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -404,6 +439,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -415,12 +451,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -428,6 +466,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -435,9 +474,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -445,9 +485,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -457,9 +498,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -469,15 +511,17 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1559596728932_861031_29126", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "select")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1557528808100_646606_111674")]
+        [Implements(implementation: "ISelectExpression.Operator")]
         string ISelectExpression.Operator { get; set; }
 
         /// <summary>
@@ -485,16 +529,19 @@ public string QueryName()
         /// Kernel Function Library .
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1557528808100_646606_111674", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("ISelectExpression.Operator")] string IOperatorExpression.Operator { get; set; }
+        [RedefinedByProperty("ISelectExpression.Operator")]
+        [Implements(implementation: "IOperatorExpression.Operator")]
+        string IOperatorExpression.Operator { get; set; }
 
         /// <summary>
         /// All features related to this Type by FeatureMemberships that have direction out or inout.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -504,9 +551,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -515,9 +563,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -526,9 +575,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -538,9 +588,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -550,9 +601,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -560,9 +612,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -571,9 +624,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -581,9 +635,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -593,9 +648,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -605,9 +661,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -617,9 +674,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -629,9 +687,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -640,9 +699,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -651,9 +711,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -664,9 +725,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -675,9 +737,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -686,9 +749,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -696,6 +760,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -705,9 +770,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -717,9 +783,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -729,9 +796,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -741,9 +809,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -752,9 +821,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -762,9 +832,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -772,9 +843,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -783,9 +855,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -794,9 +867,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -804,6 +878,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -813,9 +888,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -824,9 +900,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -838,9 +915,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -851,9 +929,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -863,9 +942,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -874,9 +954,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -886,9 +967,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -899,9 +981,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/SendActionUsage.cs b/SysML2.NET/Core/AutoGenPoco/SendActionUsage.cs
index 292eb2cc..c8cc754d 100644
--- a/SysML2.NET/Core/AutoGenPoco/SendActionUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/SendActionUsage.cs
@@ -89,15 +89,17 @@ public partial class SendActionUsage : ISendActionUsage
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -106,9 +108,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -120,9 +123,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -132,15 +136,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -150,6 +156,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -160,9 +167,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -175,9 +183,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -186,9 +195,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -197,9 +207,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -207,6 +218,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -215,9 +227,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -225,6 +238,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -232,9 +246,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -244,9 +259,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -254,9 +270,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -265,18 +282,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -286,9 +305,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -296,9 +316,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -306,9 +327,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -316,9 +338,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -327,9 +350,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -337,9 +361,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -352,9 +377,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -362,6 +388,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -370,15 +397,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -386,12 +415,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -405,6 +436,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -415,6 +447,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -422,21 +455,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -444,15 +480,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -464,12 +502,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -477,13 +517,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -496,9 +539,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -506,9 +550,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -516,9 +561,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -528,9 +574,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -540,9 +587,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -550,9 +598,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -560,9 +609,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -570,9 +620,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -580,9 +631,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -590,9 +642,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -600,9 +653,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -610,9 +664,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -622,9 +677,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -632,9 +688,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -642,9 +699,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -652,9 +710,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -662,9 +721,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -672,9 +732,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -682,9 +743,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -692,9 +754,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -702,9 +765,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -712,9 +776,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -722,9 +787,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -732,9 +798,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -742,9 +809,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -752,9 +820,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -762,9 +831,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -773,9 +843,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -783,9 +854,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -793,9 +865,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -803,9 +876,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -813,9 +887,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -826,9 +901,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -836,9 +912,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -848,9 +925,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -859,9 +937,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -870,9 +949,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -882,9 +962,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -894,9 +975,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -904,9 +986,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -915,9 +998,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -925,9 +1009,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -937,9 +1022,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -949,9 +1035,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -961,9 +1048,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -973,9 +1061,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -984,9 +1073,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -995,9 +1085,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1008,9 +1099,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1019,9 +1111,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1030,9 +1123,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1040,6 +1134,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1049,9 +1144,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1061,9 +1157,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1073,9 +1170,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1085,9 +1183,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1096,9 +1195,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1106,9 +1206,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1117,9 +1218,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1127,9 +1229,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1138,9 +1241,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1149,9 +1253,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1159,6 +1264,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1168,9 +1274,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1178,9 +1285,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1189,18 +1297,20 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
         /// An Expression whose result is bound to the payload input parameter of this SendActionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1612814399422_336683_143", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ISendActionUsage.PayloadArgument")]
         public IExpression QueryPayloadArgument()
         {
-            throw new NotImplementedException("Derived property PayloadArgument not yet supported");
+            return this.ComputePayloadArgument();
         }
 
         /// <summary>
@@ -1209,6 +1319,7 @@ public IExpression QueryPayloadArgument()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1220,27 +1331,30 @@ public IExpression QueryPayloadArgument()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
         /// An Expression whose result is bound to the receiver input parameter of this SendActionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1567742374932_10504_18141", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ISendActionUsage.ReceiverArgument")]
         public IExpression QueryReceiverArgument()
         {
-            throw new NotImplementedException("Derived property ReceiverArgument not yet supported");
+            return this.ComputeReceiverArgument();
         }
 
         /// <summary>
         /// An Expression whose result is bound to the sender input parameter of this SendActionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665504224536_894018_944", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ISendActionUsage.SenderArgument")]
         public IExpression QuerySenderArgument()
         {
-            throw new NotImplementedException("Derived property SenderArgument not yet supported");
+            return this.ComputeSenderArgument();
         }
 
         /// <summary>
@@ -1250,9 +1364,10 @@ public IExpression QuerySenderArgument()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1261,9 +1376,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1274,9 +1390,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1287,9 +1404,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1297,9 +1415,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1308,9 +1427,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1319,9 +1439,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Specialization.cs b/SysML2.NET/Core/AutoGenPoco/Specialization.cs
index 4d96a676..fb78d3bf 100644
--- a/SysML2.NET/Core/AutoGenPoco/Specialization.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Specialization.cs
@@ -53,12 +53,14 @@ public partial class Specialization : ISpecialization
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -68,6 +70,7 @@ public partial class Specialization : ISpecialization
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -76,9 +79,10 @@ public partial class Specialization : ISpecialization
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -86,6 +90,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -93,6 +98,7 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674980_563969_43273", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "ISpecialization.General")]
         public IType General { get; set; }
 
         /// <summary>
@@ -100,6 +106,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -110,15 +117,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -128,9 +137,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -140,9 +150,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -150,9 +161,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -160,6 +172,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -167,6 +180,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -174,9 +188,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -185,9 +200,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -196,9 +212,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -206,6 +223,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -213,6 +231,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -221,9 +240,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_573157_43226", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
+        [Implements(implementation: "ISpecialization.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -235,9 +255,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -245,9 +266,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -257,9 +279,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -267,13 +290,16 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.Specific")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("ISpecialization.Specific")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// A Type with a subset of all instances of the general Type, which might be the same set.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674982_253967_43281", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "ISpecialization.Specific")]
         public IType Specific { get; set; }
 
         /// <summary>
@@ -281,7 +307,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.General")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("ISpecialization.General")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -289,9 +317,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/StakeholderMembership.cs b/SysML2.NET/Core/AutoGenPoco/StakeholderMembership.cs
index 8c0a4967..edb9f770 100644
--- a/SysML2.NET/Core/AutoGenPoco/StakeholderMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/StakeholderMembership.cs
@@ -58,12 +58,14 @@ public partial class StakeholderMembership : IStakeholderMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -73,6 +75,7 @@ public partial class StakeholderMembership : IStakeholderMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -81,9 +84,10 @@ public partial class StakeholderMembership : IStakeholderMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -91,6 +95,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -98,6 +103,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -108,15 +114,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -124,23 +132,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -150,16 +163,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -168,9 +184,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -180,9 +197,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -190,9 +208,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -203,9 +222,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -213,9 +233,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -225,9 +246,10 @@ public string QueryOwnedMemberElementId()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
         [RedefinedByProperty("IParameterMembership.OwnedMemberParameter")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         public IFeature QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -235,9 +257,10 @@ public IFeature QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -246,9 +269,10 @@ public string QueryOwnedMemberName()
         [Property(xmiId: "_18_5_3_12e503d9_1557528016548_548098_110830", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674993_898044_43344")]
         [RedefinedByProperty("IStakeholderMembership.OwnedStakeholderParameter")]
+        [Implements(implementation: "IParameterMembership.OwnedMemberParameter")]
         public IFeature QueryOwnedMemberParameter()
         {
-            throw new NotImplementedException("Derived property OwnedMemberParameter not yet supported");
+            return this.ComputeOwnedMemberParameter();
         }
 
         /// <summary>
@@ -256,9 +280,10 @@ public IFeature QueryOwnedMemberParameter()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -266,6 +291,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -273,6 +299,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -280,9 +307,10 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624034451301_6622_40822", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1557528016548_548098_110830")]
+        [Implements(implementation: "IStakeholderMembership.OwnedStakeholderParameter")]
         public IPartUsage QueryOwnedStakeholderParameter()
         {
-            throw new NotImplementedException("Derived property OwnedStakeholderParameter not yet supported");
+            return this.ComputeOwnedStakeholderParameter();
         }
 
         /// <summary>
@@ -290,9 +318,10 @@ public IPartUsage QueryOwnedStakeholderParameter()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -301,9 +330,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -312,9 +342,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -322,6 +353,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -329,6 +361,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -337,9 +370,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -351,9 +385,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -361,9 +396,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -373,9 +409,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -383,14 +420,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -398,9 +439,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -408,6 +450,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/StateDefinition.cs b/SysML2.NET/Core/AutoGenPoco/StateDefinition.cs
index 3f8f65a2..96208373 100644
--- a/SysML2.NET/Core/AutoGenPoco/StateDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/StateDefinition.cs
@@ -82,21 +82,24 @@ public partial class StateDefinition : IStateDefinition
         [Property(xmiId: "_18_5_3_12e503d9_1565500809065_170841_30688", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IActionDefinition.Action")]
         public List<IActionUsage> QueryAction()
         {
-            throw new NotImplementedException("Derived property Action not yet supported");
+            return this.ComputeAction();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -106,6 +109,7 @@ public List<IActionUsage> QueryAction()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -118,9 +122,10 @@ public List<IActionUsage> QueryAction()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -129,9 +134,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -140,9 +146,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -151,9 +158,10 @@ public List<IUsage> QueryDirectedUsage()
         /// StateSubactionMembership  with kind = do.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1582975916386_388324_339", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IStateDefinition.DoAction")]
         public IActionUsage QueryDoAction()
         {
-            throw new NotImplementedException("Derived property DoAction not yet supported");
+            return this.ComputeDoAction();
         }
 
         /// <summary>
@@ -162,9 +170,10 @@ public IActionUsage QueryDoAction()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -172,6 +181,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -179,9 +189,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -190,9 +201,10 @@ public List<IFeature> QueryEndFeature()
         /// StateSubactionMembership  with kind = entry.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1582975902339_513804_312", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IStateDefinition.EntryAction")]
         public IActionUsage QueryEntryAction()
         {
-            throw new NotImplementedException("Derived property EntryAction not yet supported");
+            return this.ComputeEntryAction();
         }
 
         /// <summary>
@@ -201,9 +213,10 @@ public IActionUsage QueryEntryAction()
         /// StateSubactionMembership  with kind = exit.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1582975927011_696894_352", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IStateDefinition.ExitAction")]
         public IActionUsage QueryExitAction()
         {
-            throw new NotImplementedException("Derived property ExitAction not yet supported");
+            return this.ComputeExitAction();
         }
 
         /// <summary>
@@ -211,9 +224,10 @@ public IActionUsage QueryExitAction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -222,9 +236,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -232,9 +247,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -242,9 +258,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -253,9 +270,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -263,9 +281,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -278,9 +297,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -288,15 +308,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -307,21 +329,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -330,6 +355,7 @@ public bool QueryIsLibraryElement()
         /// false, only one ownedState may be performed at a time.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624025670323_266174_37704", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IStateDefinition.IsParallel")]
         public bool IsParallel { get; set; }
 
         /// <summary>
@@ -341,6 +367,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -348,6 +375,7 @@ public bool QueryIsLibraryElement()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -355,9 +383,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -365,9 +394,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -377,9 +407,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -389,9 +420,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -399,9 +431,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -409,9 +442,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -419,9 +453,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -429,9 +464,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -441,9 +477,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -451,9 +488,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -461,9 +499,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -471,9 +510,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -481,9 +521,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -492,9 +533,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -504,9 +546,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -514,9 +557,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -526,9 +570,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -538,9 +583,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -548,9 +594,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -559,9 +606,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -569,9 +617,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -579,9 +628,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -591,9 +641,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -601,9 +652,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -613,9 +665,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -623,9 +676,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -634,9 +688,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -644,9 +699,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -655,9 +711,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -668,9 +725,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -678,9 +736,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -688,9 +747,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -698,9 +758,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -708,9 +769,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -718,9 +780,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -728,6 +791,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -735,9 +799,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -745,9 +810,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -757,9 +823,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -767,9 +834,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -778,9 +846,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -788,9 +857,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -799,9 +869,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -810,9 +881,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -820,9 +892,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -830,9 +903,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -840,9 +914,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -850,9 +925,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -860,9 +936,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -871,9 +948,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -882,9 +960,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -892,6 +971,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -900,9 +980,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -914,9 +995,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -926,9 +1008,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -937,9 +1020,10 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575588190693_949879_1156", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565500809065_170841_30688")]
+        [Implements(implementation: "IStateDefinition.State")]
         public List<IStateUsage> QueryState()
         {
-            throw new NotImplementedException("Derived property State not yet supported");
+            return this.ComputeState();
         }
 
         /// <summary>
@@ -947,9 +1031,10 @@ public List<IStateUsage> QueryState()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -958,9 +1043,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -971,9 +1057,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -981,9 +1068,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -992,9 +1080,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1004,9 +1093,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/StateSubactionMembership.cs b/SysML2.NET/Core/AutoGenPoco/StateSubactionMembership.cs
index e11a0ac7..a3f8c157 100644
--- a/SysML2.NET/Core/AutoGenPoco/StateSubactionMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/StateSubactionMembership.cs
@@ -58,21 +58,24 @@ public partial class StateSubactionMembership : IStateSubactionMembership
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1582974847979_606181_96", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674993_898044_43344")]
+        [Implements(implementation: "IStateSubactionMembership.Action")]
         public IActionUsage QueryAction()
         {
-            throw new NotImplementedException("Derived property Action not yet supported");
+            return this.ComputeAction();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -82,6 +85,7 @@ public IActionUsage QueryAction()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -90,9 +94,10 @@ public IActionUsage QueryAction()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -100,6 +105,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -107,6 +113,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -117,21 +124,24 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether this StateSubactionMembership is for an entry, do or exit ActionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575671861308_70894_325", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IStateSubactionMembership.Kind")]
         public StateSubactionKind Kind { get; set; }
 
         /// <summary>
@@ -139,23 +149,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -165,16 +180,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -183,9 +201,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -195,9 +214,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -205,9 +225,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -218,9 +239,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -228,9 +250,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -240,9 +263,10 @@ public string QueryOwnedMemberElementId()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
         [RedefinedByProperty("IStateSubactionMembership.Action")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         public IFeature QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -250,9 +274,10 @@ public IFeature QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -260,9 +285,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -270,6 +296,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -277,6 +304,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -284,9 +312,10 @@ public string QueryOwnedMemberShortName()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -295,9 +324,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -306,9 +336,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -316,6 +347,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -323,6 +355,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -331,9 +364,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -345,9 +379,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -355,9 +390,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -367,9 +403,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -377,14 +414,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -392,9 +433,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -402,6 +444,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/StateUsage.cs b/SysML2.NET/Core/AutoGenPoco/StateUsage.cs
index 1c250b4b..af69fcc7 100644
--- a/SysML2.NET/Core/AutoGenPoco/StateUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/StateUsage.cs
@@ -87,15 +87,17 @@ public partial class StateUsage : IStateUsage
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
         [RedefinedByProperty("IStateUsage.StateDefinition")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -104,9 +106,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -118,9 +121,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -130,15 +134,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -148,6 +154,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -158,9 +165,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -173,9 +181,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -184,9 +193,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -195,9 +205,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -205,6 +216,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -213,9 +225,10 @@ public List<IUsage> QueryDirectedUsage()
         /// with kind = do.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1582976255473_203238_644", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IStateUsage.DoAction")]
         public IActionUsage QueryDoAction()
         {
-            throw new NotImplementedException("Derived property DoAction not yet supported");
+            return this.ComputeDoAction();
         }
 
         /// <summary>
@@ -224,9 +237,10 @@ public IActionUsage QueryDoAction()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -234,6 +248,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -241,9 +256,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -253,9 +269,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -264,9 +281,10 @@ public IType QueryEndOwningType()
         /// with kind = entry.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1582976239200_979652_605", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IStateUsage.EntryAction")]
         public IActionUsage QueryEntryAction()
         {
-            throw new NotImplementedException("Derived property EntryAction not yet supported");
+            return this.ComputeEntryAction();
         }
 
         /// <summary>
@@ -275,9 +293,10 @@ public IActionUsage QueryEntryAction()
         /// with kind = exit.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1582976283940_998741_691", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IStateUsage.ExitAction")]
         public IActionUsage QueryExitAction()
         {
-            throw new NotImplementedException("Derived property ExitAction not yet supported");
+            return this.ComputeExitAction();
         }
 
         /// <summary>
@@ -285,9 +304,10 @@ public IActionUsage QueryExitAction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -296,18 +316,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -317,9 +339,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -327,9 +350,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -337,9 +361,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -347,9 +372,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -358,9 +384,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -368,9 +395,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -383,9 +411,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -393,6 +422,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -401,15 +431,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -417,12 +449,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -436,6 +470,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -446,6 +481,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -453,21 +489,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -476,6 +515,7 @@ public bool QueryIsLibraryElement()
         /// false, only one nestedState may be performed at a time.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624025713025_548712_37708", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IStateUsage.IsParallel")]
         public bool IsParallel { get; set; }
 
         /// <summary>
@@ -483,15 +523,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -503,12 +545,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -516,13 +560,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -535,9 +582,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -545,9 +593,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -555,9 +604,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -567,9 +617,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -579,9 +630,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -589,9 +641,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -599,9 +652,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -609,9 +663,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -619,9 +674,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -629,9 +685,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -639,9 +696,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -649,9 +707,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -661,9 +720,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -671,9 +731,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -681,9 +742,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -691,9 +753,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -701,9 +764,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -711,9 +775,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -721,9 +786,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -731,9 +797,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -741,9 +808,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -751,9 +819,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -761,9 +830,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -771,9 +841,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -781,9 +852,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -791,9 +863,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -801,9 +874,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -812,9 +886,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -822,9 +897,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -832,9 +908,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -842,9 +919,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -852,9 +930,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -865,9 +944,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -875,9 +955,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -887,9 +968,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -898,9 +980,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -909,9 +992,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -921,9 +1005,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -933,9 +1018,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -943,9 +1029,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -954,9 +1041,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -964,9 +1052,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -976,9 +1065,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -988,9 +1078,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1000,9 +1091,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1012,9 +1104,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1023,9 +1116,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1034,9 +1128,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1047,9 +1142,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1058,9 +1154,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1069,9 +1166,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1079,6 +1177,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1088,9 +1187,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1100,9 +1200,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1112,9 +1213,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1124,9 +1226,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1135,9 +1238,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1145,9 +1249,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1156,9 +1261,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1166,9 +1272,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1177,9 +1284,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1188,9 +1296,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1198,6 +1307,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1207,9 +1317,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1217,9 +1328,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1228,9 +1340,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1239,6 +1352,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1250,9 +1364,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1262,9 +1377,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1273,9 +1389,10 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575588456737_49200_1438", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1565500905804_589845_30779")]
+        [Implements(implementation: "IStateUsage.StateDefinition")]
         public List<IBehavior> QueryStateDefinition()
         {
-            throw new NotImplementedException("Derived property StateDefinition not yet supported");
+            return this.ComputeStateDefinition();
         }
 
         /// <summary>
@@ -1284,9 +1401,10 @@ public List<IBehavior> QueryStateDefinition()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1297,9 +1415,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1310,9 +1429,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1320,9 +1440,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1331,9 +1452,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1342,9 +1464,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Step.cs b/SysML2.NET/Core/AutoGenPoco/Step.cs
index 83337762..5708443b 100644
--- a/SysML2.NET/Core/AutoGenPoco/Step.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Step.cs
@@ -57,6 +57,7 @@ public partial class Step : IStep
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -64,9 +65,10 @@ public partial class Step : IStep
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -78,9 +80,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -90,15 +93,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -108,6 +113,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -120,9 +126,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -131,9 +138,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -141,6 +149,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -149,9 +158,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -159,6 +169,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -166,9 +177,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -178,9 +190,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -188,9 +201,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -199,18 +213,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -220,9 +236,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -230,9 +247,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -240,9 +258,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -251,9 +270,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -261,9 +281,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -276,9 +297,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -286,6 +308,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -294,15 +317,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -310,12 +335,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -329,6 +356,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -339,21 +367,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -361,6 +392,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -372,12 +404,14 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -385,6 +419,7 @@ public bool QueryIsLibraryElement()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -392,9 +427,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -402,9 +438,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -414,9 +451,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -426,9 +464,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -436,9 +475,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -448,9 +488,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -459,9 +500,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -470,9 +512,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -482,9 +525,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -494,9 +538,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -504,9 +549,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -515,9 +561,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -525,9 +572,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -537,9 +585,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -549,9 +598,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -561,9 +611,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -573,9 +624,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -584,9 +636,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -595,9 +648,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -608,9 +662,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -619,9 +674,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -630,9 +686,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -640,6 +697,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -649,9 +707,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -661,9 +720,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -673,9 +733,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -685,9 +746,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -696,9 +758,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -706,9 +769,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -716,9 +780,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -727,9 +792,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -738,9 +804,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -748,6 +815,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -757,9 +825,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -768,9 +837,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -782,9 +852,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -794,9 +865,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -805,9 +877,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -817,9 +890,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -830,9 +904,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Structure.cs b/SysML2.NET/Core/AutoGenPoco/Structure.cs
index 5f47b551..4af5109f 100644
--- a/SysML2.NET/Core/AutoGenPoco/Structure.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Structure.cs
@@ -57,12 +57,14 @@ public partial class Structure : IStructure
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -72,6 +74,7 @@ public partial class Structure : IStructure
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -84,9 +87,10 @@ public partial class Structure : IStructure
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -94,9 +98,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -105,9 +110,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -115,6 +121,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -122,9 +129,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -132,9 +140,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -143,9 +152,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -153,9 +163,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -163,9 +174,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -174,9 +186,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -184,9 +197,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -199,9 +213,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -209,15 +224,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -228,15 +245,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -248,6 +267,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -255,9 +275,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -265,9 +286,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -277,9 +299,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -289,9 +312,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -299,9 +323,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -311,9 +336,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -322,9 +348,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -334,9 +361,10 @@ public IConjugation QueryOwnedConjugator()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -346,9 +374,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -356,9 +385,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -367,9 +397,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -377,9 +408,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -389,9 +421,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -401,9 +434,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -412,9 +446,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -423,9 +458,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -436,9 +472,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -446,6 +483,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -455,9 +493,10 @@ public List<IMembership> QueryOwnedMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -466,9 +505,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -477,9 +517,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -487,9 +528,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -498,9 +540,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -509,9 +552,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -519,6 +563,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -530,9 +575,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -542,9 +588,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -553,9 +600,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -566,9 +614,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Subclassification.cs b/SysML2.NET/Core/AutoGenPoco/Subclassification.cs
index ff1395de..6c179769 100644
--- a/SysML2.NET/Core/AutoGenPoco/Subclassification.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Subclassification.cs
@@ -53,12 +53,14 @@ public partial class Subclassification : ISubclassification
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -68,6 +70,7 @@ public partial class Subclassification : ISubclassification
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -76,9 +79,10 @@ public partial class Subclassification : ISubclassification
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -86,6 +90,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -93,13 +98,16 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674980_563969_43273", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("ISubclassification.Superclassifier")] public IType General { get; set; }
+        [RedefinedByProperty("ISubclassification.Superclassifier")]
+        [Implements(implementation: "ISpecialization.General")]
+        public IType General { get; set; }
 
         /// <summary>
         /// Whether this Relationship was generated by tooling to meet semantic rules, rather than being
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -110,15 +118,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -128,9 +138,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -140,9 +151,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -150,9 +162,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -160,6 +173,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -167,6 +181,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -174,9 +189,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -184,9 +200,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170642_857401_25506", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_573157_43226")]
+        [Implements(implementation: "ISubclassification.OwningClassifier")]
         public IClassifier QueryOwningClassifier()
         {
-            throw new NotImplementedException("Derived property OwningClassifier not yet supported");
+            return this.ComputeOwningClassifier();
         }
 
         /// <summary>
@@ -195,9 +212,10 @@ public IClassifier QueryOwningClassifier()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -206,9 +224,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -216,6 +235,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -223,6 +243,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -232,9 +253,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
         [RedefinedByProperty("ISubclassification.OwningClassifier")]
+        [Implements(implementation: "ISpecialization.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -246,9 +268,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -256,9 +279,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -268,9 +292,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -278,20 +303,25 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.Specific")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("ISpecialization.Specific")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// A Type with a subset of all instances of the general Type, which might be the same set.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674982_253967_43281", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
-        [RedefinedByProperty("ISubclassification.Subclassifier")] public IType Specific { get; set; }
+        [RedefinedByProperty("ISubclassification.Subclassifier")]
+        [Implements(implementation: "ISpecialization.Specific")]
+        public IType Specific { get; set; }
 
         /// <summary>
         /// The more specific Classifier in this Subclassification.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189084042_772698_25407", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
+        [Implements(implementation: "ISubclassification.Subclassifier")]
         public IClassifier Subclassifier { get; set; }
 
         /// <summary>
@@ -299,6 +329,7 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543188934635_627507_25283", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_563969_43273")]
+        [Implements(implementation: "ISubclassification.Superclassifier")]
         public IClassifier Superclassifier { get; set; }
 
         /// <summary>
@@ -306,7 +337,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.General")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("ISpecialization.General")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -314,9 +347,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/SubjectMembership.cs b/SysML2.NET/Core/AutoGenPoco/SubjectMembership.cs
index 9ef4773c..ace51aa8 100644
--- a/SysML2.NET/Core/AutoGenPoco/SubjectMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/SubjectMembership.cs
@@ -58,12 +58,14 @@ public partial class SubjectMembership : ISubjectMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -73,6 +75,7 @@ public partial class SubjectMembership : ISubjectMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -81,9 +84,10 @@ public partial class SubjectMembership : ISubjectMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -91,6 +95,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -98,6 +103,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -108,15 +114,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -124,23 +132,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -150,16 +163,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -168,9 +184,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -180,9 +197,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -190,9 +208,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -203,9 +222,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -213,9 +233,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -225,9 +246,10 @@ public string QueryOwnedMemberElementId()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
         [RedefinedByProperty("IParameterMembership.OwnedMemberParameter")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         public IFeature QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -235,9 +257,10 @@ public IFeature QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -246,9 +269,10 @@ public string QueryOwnedMemberName()
         [Property(xmiId: "_18_5_3_12e503d9_1557528016548_548098_110830", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674993_898044_43344")]
         [RedefinedByProperty("ISubjectMembership.OwnedSubjectParameter")]
+        [Implements(implementation: "IParameterMembership.OwnedMemberParameter")]
         public IFeature QueryOwnedMemberParameter()
         {
-            throw new NotImplementedException("Derived property OwnedMemberParameter not yet supported");
+            return this.ComputeOwnedMemberParameter();
         }
 
         /// <summary>
@@ -256,9 +280,10 @@ public IFeature QueryOwnedMemberParameter()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -266,6 +291,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -273,6 +299,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -280,9 +307,10 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590258781117_655788_845", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1557528016548_548098_110830")]
+        [Implements(implementation: "ISubjectMembership.OwnedSubjectParameter")]
         public IUsage QueryOwnedSubjectParameter()
         {
-            throw new NotImplementedException("Derived property OwnedSubjectParameter not yet supported");
+            return this.ComputeOwnedSubjectParameter();
         }
 
         /// <summary>
@@ -290,9 +318,10 @@ public IUsage QueryOwnedSubjectParameter()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -301,9 +330,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -312,9 +342,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -322,6 +353,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -329,6 +361,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -337,9 +370,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -351,9 +385,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -361,9 +396,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -373,9 +409,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -383,14 +420,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -398,9 +439,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -408,6 +450,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Subsetting.cs b/SysML2.NET/Core/AutoGenPoco/Subsetting.cs
index 9bbccd13..178b3252 100644
--- a/SysML2.NET/Core/AutoGenPoco/Subsetting.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Subsetting.cs
@@ -57,12 +57,14 @@ public partial class Subsetting : ISubsetting
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -72,6 +74,7 @@ public partial class Subsetting : ISubsetting
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -80,9 +83,10 @@ public partial class Subsetting : ISubsetting
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -90,6 +94,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -97,13 +102,16 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674980_563969_43273", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("ISubsetting.SubsettedFeature")] public IType General { get; set; }
+        [RedefinedByProperty("ISubsetting.SubsettedFeature")]
+        [Implements(implementation: "ISpecialization.General")]
+        public IType General { get; set; }
 
         /// <summary>
         /// Whether this Relationship was generated by tooling to meet semantic rules, rather than being
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -114,15 +122,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -132,9 +142,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -144,9 +155,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -154,9 +166,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -164,6 +177,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -171,6 +185,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -178,9 +193,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -189,9 +205,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_236250_43311", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674967_140305_43206")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_573157_43226")]
+        [Implements(implementation: "ISubsetting.OwningFeature")]
         public IFeature QueryOwningFeature()
         {
-            throw new NotImplementedException("Derived property OwningFeature not yet supported");
+            return this.ComputeOwningFeature();
         }
 
         /// <summary>
@@ -200,9 +217,10 @@ public IFeature QueryOwningFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -211,9 +229,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -221,6 +240,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -228,6 +248,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -237,9 +258,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
         [RedefinedByProperty("ISubsetting.OwningFeature")]
+        [Implements(implementation: "ISpecialization.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -251,9 +273,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -261,9 +284,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -273,9 +297,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -283,20 +308,25 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.Specific")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("ISpecialization.Specific")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// A Type with a subset of all instances of the general Type, which might be the same set.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674982_253967_43281", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
-        [RedefinedByProperty("ISubsetting.SubsettingFeature")] public IType Specific { get; set; }
+        [RedefinedByProperty("ISubsetting.SubsettingFeature")]
+        [Implements(implementation: "ISpecialization.Specific")]
+        public IType Specific { get; set; }
 
         /// <summary>
         /// The Feature that is subsetted by the subsettingFeature of this Subsetting.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_393191_43181", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_563969_43273")]
+        [Implements(implementation: "ISubsetting.SubsettedFeature")]
         public IFeature SubsettedFeature { get; set; }
 
         /// <summary>
@@ -304,6 +334,7 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674967_140305_43206", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674982_253967_43281")]
+        [Implements(implementation: "ISubsetting.SubsettingFeature")]
         public IFeature SubsettingFeature { get; set; }
 
         /// <summary>
@@ -311,7 +342,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ISpecialization.General")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("ISpecialization.General")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -319,9 +352,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Succession.cs b/SysML2.NET/Core/AutoGenPoco/Succession.cs
index d81aaed1..8e724a51 100644
--- a/SysML2.NET/Core/AutoGenPoco/Succession.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Succession.cs
@@ -55,6 +55,7 @@ public partial class Succession : ISuccession
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -62,9 +63,10 @@ public partial class Succession : ISuccession
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674983_471497_43284", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
+        [Implements(implementation: "IConnector.Association")]
         public List<IAssociation> QueryAssociation()
         {
-            throw new NotImplementedException("Derived property Association not yet supported");
+            return this.ComputeAssociation();
         }
 
         /// <summary>
@@ -76,9 +78,10 @@ public List<IAssociation> QueryAssociation()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -88,9 +91,10 @@ public List<IFeature> QueryChainingFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1556735067666_827798_21922", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IConnector.ConnectorEnd")]
         public List<IFeature> QueryConnectorEnd()
         {
-            throw new NotImplementedException("Derived property ConnectorEnd not yet supported");
+            return this.ComputeConnectorEnd();
         }
 
         /// <summary>
@@ -100,15 +104,17 @@ public List<IFeature> QueryConnectorEnd()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -118,6 +124,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -126,9 +133,10 @@ public IFeature QueryCrossFeature()
         /// checkConnectorTypeFeaturing constraint.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737751598145_444042_71", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IConnector.DefaultFeaturingType")]
         public IType QueryDefaultFeaturingType()
         {
-            throw new NotImplementedException("Derived property DefaultFeaturingType not yet supported");
+            return this.ComputeDefaultFeaturingType();
         }
 
         /// <summary>
@@ -141,9 +149,10 @@ public IType QueryDefaultFeaturingType()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -151,9 +160,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -161,6 +171,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -169,9 +180,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -179,6 +191,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -187,9 +200,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IConnector.ConnectorEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -199,9 +213,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -209,9 +224,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -220,18 +236,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -241,9 +259,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -251,9 +270,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -261,9 +281,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -272,9 +293,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -282,9 +304,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -297,9 +320,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -307,6 +331,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -315,15 +340,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -331,12 +358,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -350,6 +379,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -357,6 +387,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -367,21 +398,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -389,6 +423,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -400,12 +435,14 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -413,6 +450,7 @@ public bool QueryIsLibraryElement()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -420,9 +458,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -430,9 +469,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -442,9 +482,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -454,9 +495,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -464,9 +506,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -476,9 +519,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -487,9 +531,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -498,9 +543,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -510,9 +556,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -522,9 +569,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -532,9 +580,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -543,9 +592,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -553,9 +603,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -565,9 +616,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -577,9 +629,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -589,9 +642,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -601,9 +655,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -612,9 +667,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -623,9 +679,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -636,9 +693,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -647,9 +705,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -658,9 +717,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -668,6 +728,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -675,6 +736,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -684,9 +746,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -696,9 +759,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -708,9 +772,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -720,9 +785,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -731,9 +797,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -741,9 +808,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -751,9 +819,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -762,9 +831,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -773,9 +843,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -783,6 +854,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -790,6 +862,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -799,9 +872,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -813,9 +887,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -824,9 +899,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IConnector.RelatedFeature")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -835,9 +911,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_916334_43210", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IConnector.RelatedFeature")]
         public List<IFeature> QueryRelatedFeature()
         {
-            throw new NotImplementedException("Derived property RelatedFeature not yet supported");
+            return this.ComputeRelatedFeature();
         }
 
         /// <summary>
@@ -847,9 +924,10 @@ public List<IFeature> QueryRelatedFeature()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -857,7 +935,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.SourceFeature")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConnector.SourceFeature")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedFeature for this Connector. It is the first relatedFeature.
@@ -865,9 +945,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594953058873_558253_3897", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConnector.SourceFeature")]
         public IFeature QuerySourceFeature()
         {
-            throw new NotImplementedException("Derived property SourceFeature not yet supported");
+            return this.ComputeSourceFeature();
         }
 
         /// <summary>
@@ -875,7 +956,9 @@ public IFeature QuerySourceFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.TargetFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConnector.TargetFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedFeatures for this Connector. This includes all the relatedFeatures other than the
@@ -884,9 +967,10 @@ public IFeature QuerySourceFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594953128207_991867_3946", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IConnector.TargetFeature")]
         public List<IFeature> QueryTargetFeature()
         {
-            throw new NotImplementedException("Derived property TargetFeature not yet supported");
+            return this.ComputeTargetFeature();
         }
 
         /// <summary>
@@ -895,9 +979,10 @@ public List<IFeature> QueryTargetFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -908,9 +993,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IConnector.Association")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -921,9 +1007,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/SuccessionAsUsage.cs b/SysML2.NET/Core/AutoGenPoco/SuccessionAsUsage.cs
index a1ffc19c..c79091d8 100644
--- a/SysML2.NET/Core/AutoGenPoco/SuccessionAsUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/SuccessionAsUsage.cs
@@ -78,6 +78,7 @@ public partial class SuccessionAsUsage : ISuccessionAsUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -85,9 +86,10 @@ public partial class SuccessionAsUsage : ISuccessionAsUsage
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674983_471497_43284", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
+        [Implements(implementation: "IConnector.Association")]
         public List<IAssociation> QueryAssociation()
         {
-            throw new NotImplementedException("Derived property Association not yet supported");
+            return this.ComputeAssociation();
         }
 
         /// <summary>
@@ -99,9 +101,10 @@ public List<IAssociation> QueryAssociation()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -111,9 +114,10 @@ public List<IFeature> QueryChainingFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1556735067666_827798_21922", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IConnector.ConnectorEnd")]
         public List<IFeature> QueryConnectorEnd()
         {
-            throw new NotImplementedException("Derived property ConnectorEnd not yet supported");
+            return this.ComputeConnectorEnd();
         }
 
         /// <summary>
@@ -123,15 +127,17 @@ public List<IFeature> QueryConnectorEnd()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -141,6 +147,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -149,9 +156,10 @@ public IFeature QueryCrossFeature()
         /// checkConnectorTypeFeaturing constraint.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737751598145_444042_71", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IConnector.DefaultFeaturingType")]
         public IType QueryDefaultFeaturingType()
         {
-            throw new NotImplementedException("Derived property DefaultFeaturingType not yet supported");
+            return this.ComputeDefaultFeaturingType();
         }
 
         /// <summary>
@@ -161,9 +169,10 @@ public IType QueryDefaultFeaturingType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -176,9 +185,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -186,9 +196,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -197,9 +208,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -207,6 +219,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -215,9 +228,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -225,6 +239,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -233,9 +248,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IConnector.ConnectorEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -245,9 +261,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -255,9 +272,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -266,18 +284,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -287,9 +307,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -297,9 +318,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -307,9 +329,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -318,9 +341,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -328,9 +352,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -343,9 +368,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -353,6 +379,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -361,15 +388,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -377,12 +406,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -396,6 +427,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -403,6 +435,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -413,21 +446,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -435,15 +471,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -455,12 +493,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -468,13 +508,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -487,9 +530,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -497,9 +541,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -507,9 +552,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -519,9 +565,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -531,9 +578,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -541,9 +589,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -551,9 +600,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -561,9 +611,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -571,9 +622,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -581,9 +633,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -591,9 +644,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -601,9 +655,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -613,9 +668,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -623,9 +679,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -633,9 +690,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -643,9 +701,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -653,9 +712,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -663,9 +723,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -673,9 +734,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -683,9 +745,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -693,9 +756,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -703,9 +767,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -713,9 +778,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -723,9 +789,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -733,9 +800,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -743,9 +811,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -753,9 +822,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -764,9 +834,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -774,9 +845,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -784,9 +856,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -794,9 +867,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -804,9 +878,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -814,9 +889,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -826,9 +902,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -837,9 +914,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -848,9 +926,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -860,9 +939,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -872,9 +952,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -882,9 +963,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -893,9 +975,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -903,9 +986,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -915,9 +999,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -927,9 +1012,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -939,9 +1025,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -951,9 +1038,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -962,9 +1050,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -973,9 +1062,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -986,9 +1076,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -997,9 +1088,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1008,9 +1100,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1018,6 +1111,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -1025,6 +1119,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1034,9 +1129,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1046,9 +1142,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1058,9 +1155,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1070,9 +1168,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1081,9 +1180,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1091,9 +1191,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1102,9 +1203,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1112,9 +1214,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1123,9 +1226,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1134,9 +1238,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1144,6 +1249,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -1151,6 +1257,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1160,9 +1267,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1170,9 +1278,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1184,9 +1293,10 @@ public IUsage QueryOwningUsage()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1195,9 +1305,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IConnector.RelatedFeature")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -1206,9 +1317,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_916334_43210", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IConnector.RelatedFeature")]
         public List<IFeature> QueryRelatedFeature()
         {
-            throw new NotImplementedException("Derived property RelatedFeature not yet supported");
+            return this.ComputeRelatedFeature();
         }
 
         /// <summary>
@@ -1218,9 +1330,10 @@ public List<IFeature> QueryRelatedFeature()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1228,7 +1341,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.SourceFeature")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConnector.SourceFeature")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedFeature for this Connector. It is the first relatedFeature.
@@ -1236,9 +1351,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594953058873_558253_3897", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConnector.SourceFeature")]
         public IFeature QuerySourceFeature()
         {
-            throw new NotImplementedException("Derived property SourceFeature not yet supported");
+            return this.ComputeSourceFeature();
         }
 
         /// <summary>
@@ -1246,7 +1362,9 @@ public IFeature QuerySourceFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.TargetFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConnector.TargetFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedFeatures for this Connector. This includes all the relatedFeatures other than the
@@ -1255,9 +1373,10 @@ public IFeature QuerySourceFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594953128207_991867_3946", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IConnector.TargetFeature")]
         public List<IFeature> QueryTargetFeature()
         {
-            throw new NotImplementedException("Derived property TargetFeature not yet supported");
+            return this.ComputeTargetFeature();
         }
 
         /// <summary>
@@ -1266,9 +1385,10 @@ public List<IFeature> QueryTargetFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1279,9 +1399,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1292,9 +1413,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1302,9 +1424,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1313,9 +1436,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1324,9 +1448,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/SuccessionFlow.cs b/SysML2.NET/Core/AutoGenPoco/SuccessionFlow.cs
index 092bc540..481bc855 100644
--- a/SysML2.NET/Core/AutoGenPoco/SuccessionFlow.cs
+++ b/SysML2.NET/Core/AutoGenPoco/SuccessionFlow.cs
@@ -60,6 +60,7 @@ public partial class SuccessionFlow : ISuccessionFlow
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -68,9 +69,10 @@ public partial class SuccessionFlow : ISuccessionFlow
         [Property(xmiId: "_18_5_3_12e503d9_1533160674983_471497_43284", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IFlow.Interaction")]
+        [Implements(implementation: "IConnector.Association")]
         public List<IAssociation> QueryAssociation()
         {
-            throw new NotImplementedException("Derived property Association not yet supported");
+            return this.ComputeAssociation();
         }
 
         /// <summary>
@@ -79,9 +81,10 @@ public List<IAssociation> QueryAssociation()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IFlow.Interaction")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -93,9 +96,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -105,9 +109,10 @@ public List<IFeature> QueryChainingFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1556735067666_827798_21922", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IConnector.ConnectorEnd")]
         public List<IFeature> QueryConnectorEnd()
         {
-            throw new NotImplementedException("Derived property ConnectorEnd not yet supported");
+            return this.ComputeConnectorEnd();
         }
 
         /// <summary>
@@ -117,15 +122,17 @@ public List<IFeature> QueryConnectorEnd()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -135,6 +142,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -143,9 +151,10 @@ public IFeature QueryCrossFeature()
         /// checkConnectorTypeFeaturing constraint.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737751598145_444042_71", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IConnector.DefaultFeaturingType")]
         public IType QueryDefaultFeaturingType()
         {
-            throw new NotImplementedException("Derived property DefaultFeaturingType not yet supported");
+            return this.ComputeDefaultFeaturingType();
         }
 
         /// <summary>
@@ -158,9 +167,10 @@ public IType QueryDefaultFeaturingType()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -169,9 +179,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -179,6 +190,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -187,9 +199,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -197,6 +210,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -205,9 +219,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IConnector.ConnectorEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -217,9 +232,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -227,9 +243,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -238,18 +255,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -259,9 +278,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -269,9 +289,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1563219311176_506548_20966", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 2, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1556735067666_827798_21922")]
+        [Implements(implementation: "IFlow.FlowEnd")]
         public List<IFlowEnd> QueryFlowEnd()
         {
-            throw new NotImplementedException("Derived property FlowEnd not yet supported");
+            return this.ComputeFlowEnd();
         }
 
         /// <summary>
@@ -279,9 +300,10 @@ public List<IFlowEnd> QueryFlowEnd()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -289,9 +311,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -300,9 +323,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -310,9 +334,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -322,9 +347,10 @@ public List<IFeature> QueryInput()
         [Property(xmiId: "_19_0_4_12e503d9_1661900477937_518125_727", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674983_471497_43284")]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IFlow.Interaction")]
         public List<IInteraction> QueryInteraction()
         {
-            throw new NotImplementedException("Derived property Interaction not yet supported");
+            return this.ComputeInteraction();
         }
 
         /// <summary>
@@ -337,9 +363,10 @@ public List<IInteraction> QueryInteraction()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -347,6 +374,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -355,15 +383,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -371,12 +401,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -390,6 +422,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -397,6 +430,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -407,21 +441,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -429,6 +466,7 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -440,12 +478,14 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -453,6 +493,7 @@ public bool QueryIsLibraryElement()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -460,9 +501,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -470,9 +512,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -482,9 +525,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -494,9 +538,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -504,9 +549,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -516,9 +562,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -527,9 +574,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -538,9 +586,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -550,9 +599,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -562,9 +612,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -572,9 +623,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -583,9 +635,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -593,9 +646,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -617,9 +672,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -629,9 +685,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -641,9 +698,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -652,9 +710,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -663,9 +722,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -676,9 +736,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -687,9 +748,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -698,9 +760,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -708,6 +771,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -715,6 +779,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -724,9 +789,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -736,9 +802,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -748,9 +815,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -760,9 +828,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -771,9 +840,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -781,9 +851,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -791,9 +862,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -802,9 +874,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -813,9 +886,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -823,6 +897,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -830,6 +905,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -839,9 +915,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -850,9 +927,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -860,18 +938,20 @@ public List<IFeature> QueryParameter()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1563219424870_347345_21142", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IFlow.PayloadFeature")]
         public IPayloadFeature QueryPayloadFeature()
         {
-            throw new NotImplementedException("Derived property PayloadFeature not yet supported");
+            return this.ComputePayloadFeature();
         }
 
         /// <summary>
         /// The type of values transferred, which is the type of the payloadFeature of the Flow.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536870569046_1672_18020", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFlow.PayloadType")]
         public List<IClassifier> QueryPayloadType()
         {
-            throw new NotImplementedException("Derived property PayloadType not yet supported");
+            return this.ComputePayloadType();
         }
 
         /// <summary>
@@ -883,9 +963,10 @@ public List<IClassifier> QueryPayloadType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -894,9 +975,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IConnector.RelatedFeature")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -905,9 +987,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_916334_43210", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IConnector.RelatedFeature")]
         public List<IFeature> QueryRelatedFeature()
         {
-            throw new NotImplementedException("Derived property RelatedFeature not yet supported");
+            return this.ComputeRelatedFeature();
         }
 
         /// <summary>
@@ -917,9 +1000,10 @@ public List<IFeature> QueryRelatedFeature()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -927,7 +1011,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.SourceFeature")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConnector.SourceFeature")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedFeature for this Connector. It is the first relatedFeature.
@@ -935,9 +1021,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594953058873_558253_3897", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConnector.SourceFeature")]
         public IFeature QuerySourceFeature()
         {
-            throw new NotImplementedException("Derived property SourceFeature not yet supported");
+            return this.ComputeSourceFeature();
         }
 
         /// <summary>
@@ -945,9 +1032,10 @@ public IFeature QuerySourceFeature()
         /// Flow.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536870707078_57525_18088", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFlow.SourceOutputFeature")]
         public IFeature QuerySourceOutputFeature()
         {
-            throw new NotImplementedException("Derived property SourceOutputFeature not yet supported");
+            return this.ComputeSourceOutputFeature();
         }
 
         /// <summary>
@@ -955,7 +1043,9 @@ public IFeature QuerySourceOutputFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.TargetFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConnector.TargetFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedFeatures for this Connector. This includes all the relatedFeatures other than the
@@ -964,9 +1054,10 @@ public IFeature QuerySourceOutputFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594953128207_991867_3946", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IConnector.TargetFeature")]
         public List<IFeature> QueryTargetFeature()
         {
-            throw new NotImplementedException("Derived property TargetFeature not yet supported");
+            return this.ComputeTargetFeature();
         }
 
         /// <summary>
@@ -974,9 +1065,10 @@ public List<IFeature> QueryTargetFeature()
         /// Flow.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536870573474_966268_18041", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFlow.TargetInputFeature")]
         public IFeature QueryTargetInputFeature()
         {
-            throw new NotImplementedException("Derived property TargetInputFeature not yet supported");
+            return this.ComputeTargetInputFeature();
         }
 
         /// <summary>
@@ -985,9 +1077,10 @@ public IFeature QueryTargetInputFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -998,9 +1091,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IConnector.Association")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1011,9 +1105,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/SuccessionFlowUsage.cs b/SysML2.NET/Core/AutoGenPoco/SuccessionFlowUsage.cs
index 5f88594e..2cf530b6 100644
--- a/SysML2.NET/Core/AutoGenPoco/SuccessionFlowUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/SuccessionFlowUsage.cs
@@ -36,6 +36,7 @@ namespace SysML2.NET.Core.POCO.Systems.Flows
     using SysML2.NET.Core.POCO.Kernel.Associations;
     using SysML2.NET.Core.POCO.Kernel.Behaviors;
     using SysML2.NET.Core.POCO.Kernel.Classes;
+    using SysML2.NET.Core.POCO.Kernel.Connectors;
     using SysML2.NET.Core.POCO.Kernel.Interactions;
     using SysML2.NET.Core.POCO.Root.Annotations;
     using SysML2.NET.Core.POCO.Root.Elements;
@@ -86,15 +87,17 @@ public partial class SuccessionFlowUsage : ISuccessionFlowUsage
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
         [RedefinedByProperty("IFlowUsage.FlowDefinition")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -103,9 +106,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674983_471497_43284", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IFlow.Interaction")]
+        [Implements(implementation: "IConnector.Association")]
         public List<IAssociation> QueryAssociation()
         {
-            throw new NotImplementedException("Derived property Association not yet supported");
+            return this.ComputeAssociation();
         }
 
         /// <summary>
@@ -114,9 +118,10 @@ public List<IAssociation> QueryAssociation()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IFlow.Interaction")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -128,9 +133,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -140,9 +146,10 @@ public List<IFeature> QueryChainingFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1556735067666_827798_21922", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
+        [Implements(implementation: "IConnector.ConnectorEnd")]
         public List<IFeature> QueryConnectorEnd()
         {
-            throw new NotImplementedException("Derived property ConnectorEnd not yet supported");
+            return this.ComputeConnectorEnd();
         }
 
         /// <summary>
@@ -152,15 +159,17 @@ public List<IFeature> QueryConnectorEnd()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -170,6 +179,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -178,9 +188,10 @@ public IFeature QueryCrossFeature()
         /// checkConnectorTypeFeaturing constraint.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737751598145_444042_71", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IConnector.DefaultFeaturingType")]
         public IType QueryDefaultFeaturingType()
         {
-            throw new NotImplementedException("Derived property DefaultFeaturingType not yet supported");
+            return this.ComputeDefaultFeaturingType();
         }
 
         /// <summary>
@@ -191,9 +202,10 @@ public IType QueryDefaultFeaturingType()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -206,9 +218,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -217,9 +230,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -228,9 +242,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -238,6 +253,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -246,9 +262,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -256,6 +273,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -264,9 +282,10 @@ public List<IDocumentation> QueryDocumentation()
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IConnector.ConnectorEnd")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -276,9 +295,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -286,9 +306,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -297,18 +318,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -318,9 +341,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -331,9 +355,10 @@ public List<IType> QueryFeaturingType()
         [Property(xmiId: "_19_0_4_12e503d9_1661892878973_977062_185", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1565500905804_589845_30779")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1661900477937_518125_727")]
+        [Implements(implementation: "IFlowUsage.FlowDefinition")]
         public List<IInteraction> QueryFlowDefinition()
         {
-            throw new NotImplementedException("Derived property FlowDefinition not yet supported");
+            return this.ComputeFlowDefinition();
         }
 
         /// <summary>
@@ -341,9 +366,10 @@ public List<IInteraction> QueryFlowDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1563219311176_506548_20966", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 2, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1556735067666_827798_21922")]
+        [Implements(implementation: "IFlow.FlowEnd")]
         public List<IFlowEnd> QueryFlowEnd()
         {
-            throw new NotImplementedException("Derived property FlowEnd not yet supported");
+            return this.ComputeFlowEnd();
         }
 
         /// <summary>
@@ -351,9 +377,10 @@ public List<IFlowEnd> QueryFlowEnd()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -361,9 +388,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -371,9 +399,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -382,9 +411,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -392,9 +422,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -405,9 +436,10 @@ public List<IFeature> QueryInput()
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674983_471497_43284")]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("IFlowUsage.FlowDefinition")]
+        [Implements(implementation: "IFlow.Interaction")]
         public List<IInteraction> QueryInteraction()
         {
-            throw new NotImplementedException("Derived property Interaction not yet supported");
+            return this.ComputeInteraction();
         }
 
         /// <summary>
@@ -420,9 +452,10 @@ public List<IInteraction> QueryInteraction()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -430,6 +463,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -438,15 +472,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -454,12 +490,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -473,6 +511,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -480,6 +519,7 @@ public bool QueryIsConjugated()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -490,6 +530,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -497,21 +538,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -519,15 +563,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -539,12 +585,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -552,13 +600,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -571,9 +622,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -581,9 +633,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -591,9 +644,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -603,9 +657,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -615,9 +670,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -625,9 +681,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -635,9 +692,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -645,9 +703,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -655,9 +714,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -665,9 +725,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -675,9 +736,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -685,9 +747,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -697,9 +760,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -707,9 +771,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -717,9 +782,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -727,9 +793,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -737,9 +804,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -747,9 +815,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -757,9 +826,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -767,9 +837,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -777,9 +848,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -787,9 +859,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -797,9 +870,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -807,9 +881,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -817,9 +892,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -827,9 +903,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -837,9 +914,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -848,9 +926,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -858,9 +937,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -868,9 +948,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -878,9 +959,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -888,9 +970,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -901,9 +984,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -911,9 +995,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -923,9 +1008,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -934,9 +1020,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -945,9 +1032,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -957,9 +1045,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -969,9 +1058,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -979,9 +1069,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -990,9 +1081,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -1000,9 +1092,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -1012,9 +1105,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -1024,9 +1118,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1036,9 +1131,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1048,9 +1144,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1059,9 +1156,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1070,9 +1168,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1083,9 +1182,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1094,9 +1194,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1105,9 +1206,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1115,6 +1217,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -1122,6 +1225,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1131,9 +1235,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1143,9 +1248,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1155,9 +1261,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1167,9 +1274,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1178,9 +1286,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1188,9 +1297,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1199,9 +1309,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1209,9 +1320,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1220,9 +1332,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1231,9 +1344,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1241,6 +1355,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -1248,6 +1363,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1257,9 +1373,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1267,9 +1384,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1278,9 +1396,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1288,18 +1407,20 @@ public List<IFeature> QueryParameter()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1563219424870_347345_21142", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IFlow.PayloadFeature")]
         public IPayloadFeature QueryPayloadFeature()
         {
-            throw new NotImplementedException("Derived property PayloadFeature not yet supported");
+            return this.ComputePayloadFeature();
         }
 
         /// <summary>
         /// The type of values transferred, which is the type of the payloadFeature of the Flow.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536870569046_1672_18020", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFlow.PayloadType")]
         public List<IClassifier> QueryPayloadType()
         {
-            throw new NotImplementedException("Derived property PayloadType not yet supported");
+            return this.ComputePayloadType();
         }
 
         /// <summary>
@@ -1308,6 +1429,7 @@ public List<IClassifier> QueryPayloadType()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1319,9 +1441,10 @@ public List<IClassifier> QueryPayloadType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1330,9 +1453,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedByProperty("IConnector.RelatedFeature")]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -1341,9 +1465,10 @@ public List<IElement> QueryRelatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_916334_43210", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IConnector.RelatedFeature")]
         public List<IFeature> QueryRelatedFeature()
         {
-            throw new NotImplementedException("Derived property RelatedFeature not yet supported");
+            return this.ComputeRelatedFeature();
         }
 
         /// <summary>
@@ -1353,9 +1478,10 @@ public List<IFeature> QueryRelatedFeature()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1363,7 +1489,9 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.SourceFeature")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IConnector.SourceFeature")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The source relatedFeature for this Connector. It is the first relatedFeature.
@@ -1371,9 +1499,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594953058873_558253_3897", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IConnector.SourceFeature")]
         public IFeature QuerySourceFeature()
         {
-            throw new NotImplementedException("Derived property SourceFeature not yet supported");
+            return this.ComputeSourceFeature();
         }
 
         /// <summary>
@@ -1381,9 +1510,10 @@ public IFeature QuerySourceFeature()
         /// Flow.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536870707078_57525_18088", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFlow.SourceOutputFeature")]
         public IFeature QuerySourceOutputFeature()
         {
-            throw new NotImplementedException("Derived property SourceOutputFeature not yet supported");
+            return this.ComputeSourceOutputFeature();
         }
 
         /// <summary>
@@ -1391,7 +1521,9 @@ public IFeature QuerySourceOutputFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IConnector.TargetFeature")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IConnector.TargetFeature")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The target relatedFeatures for this Connector. This includes all the relatedFeatures other than the
@@ -1400,9 +1532,10 @@ public IFeature QuerySourceOutputFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594953128207_991867_3946", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674968_916334_43210")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IConnector.TargetFeature")]
         public List<IFeature> QueryTargetFeature()
         {
-            throw new NotImplementedException("Derived property TargetFeature not yet supported");
+            return this.ComputeTargetFeature();
         }
 
         /// <summary>
@@ -1410,9 +1543,10 @@ public List<IFeature> QueryTargetFeature()
         /// Flow.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536870573474_966268_18041", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFlow.TargetInputFeature")]
         public IFeature QueryTargetInputFeature()
         {
-            throw new NotImplementedException("Derived property TargetInputFeature not yet supported");
+            return this.ComputeTargetInputFeature();
         }
 
         /// <summary>
@@ -1421,9 +1555,10 @@ public IFeature QueryTargetInputFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1434,9 +1569,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IConnector.Association")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1447,9 +1583,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1457,9 +1594,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1468,9 +1606,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1479,9 +1618,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/TerminateActionUsage.cs b/SysML2.NET/Core/AutoGenPoco/TerminateActionUsage.cs
index 07e0067d..3eb740aa 100644
--- a/SysML2.NET/Core/AutoGenPoco/TerminateActionUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/TerminateActionUsage.cs
@@ -88,15 +88,17 @@ public partial class TerminateActionUsage : ITerminateActionUsage
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -105,9 +107,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -119,9 +122,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -131,15 +135,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -149,6 +155,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -159,9 +166,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -174,9 +182,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -185,9 +194,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -196,9 +206,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -206,6 +217,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -214,9 +226,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -224,6 +237,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -231,9 +245,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -243,9 +258,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -253,9 +269,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -264,18 +281,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -285,9 +304,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -295,9 +315,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -305,9 +326,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -315,9 +337,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -326,9 +349,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -336,9 +360,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -351,9 +376,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -361,6 +387,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -369,15 +396,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -385,12 +414,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -404,6 +435,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -414,6 +446,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -421,21 +454,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -443,15 +479,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -463,12 +501,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -476,13 +516,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -495,9 +538,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -505,9 +549,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -515,9 +560,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -527,9 +573,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -539,9 +586,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -549,9 +597,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -559,9 +608,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -569,9 +619,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -579,9 +630,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -589,9 +641,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -599,9 +652,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -609,9 +663,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -621,9 +676,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -631,9 +687,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -641,9 +698,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -651,9 +709,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -661,9 +720,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -671,9 +731,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -681,9 +742,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -691,9 +753,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -701,9 +764,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -711,9 +775,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -721,9 +786,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -731,9 +797,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -741,9 +808,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -751,9 +819,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -761,9 +830,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -772,9 +842,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -782,9 +853,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -792,9 +864,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -802,9 +875,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -812,9 +886,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -825,9 +900,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -835,9 +911,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -847,9 +924,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -858,9 +936,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -869,9 +948,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -881,9 +961,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -893,9 +974,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -903,9 +985,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -914,9 +997,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -924,9 +1008,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -936,9 +1021,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -948,9 +1034,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -960,9 +1047,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -972,9 +1060,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -983,9 +1072,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -994,9 +1084,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1007,9 +1098,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1018,9 +1110,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1029,9 +1122,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1039,6 +1133,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1048,9 +1143,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1060,9 +1156,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1072,9 +1169,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1084,9 +1182,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1095,9 +1194,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1105,9 +1205,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1116,9 +1217,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1126,9 +1228,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1137,9 +1240,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1148,9 +1252,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1158,6 +1263,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1167,9 +1273,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1177,9 +1284,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1188,9 +1296,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1199,6 +1308,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1210,9 +1320,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1222,9 +1333,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1232,9 +1344,10 @@ public string QueryShortName()
         /// TerminateActionUsage.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1724451750939_948290_107", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ITerminateActionUsage.TerminatedOccurrenceArgument")]
         public IExpression QueryTerminatedOccurrenceArgument()
         {
-            throw new NotImplementedException("Derived property TerminatedOccurrenceArgument not yet supported");
+            return this.ComputeTerminatedOccurrenceArgument();
         }
 
         /// <summary>
@@ -1243,9 +1356,10 @@ public IExpression QueryTerminatedOccurrenceArgument()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1256,9 +1370,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1269,9 +1384,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1279,9 +1395,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1290,9 +1407,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1301,9 +1419,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/TextualRepresentation.cs b/SysML2.NET/Core/AutoGenPoco/TextualRepresentation.cs
index 58de2408..3b704ab7 100644
--- a/SysML2.NET/Core/AutoGenPoco/TextualRepresentation.cs
+++ b/SysML2.NET/Core/AutoGenPoco/TextualRepresentation.cs
@@ -73,6 +73,7 @@ public partial class TextualRepresentation : ITextualRepresentation
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -82,9 +83,10 @@ public partial class TextualRepresentation : ITextualRepresentation
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594145755058_99428_86", aggregation: AggregationKind.None, lowerValue: 1, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("ITextualRepresentation.RepresentedElement")]
+        [Implements(implementation: "IAnnotatingElement.AnnotatedElement")]
         public List<IElement> QueryAnnotatedElement()
         {
-            throw new NotImplementedException("Derived property AnnotatedElement not yet supported");
+            return this.ComputeAnnotatedElement();
         }
 
         /// <summary>
@@ -93,21 +95,24 @@ public List<IElement> QueryAnnotatedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543094212714_953084_18407", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IAnnotatingElement.Annotation")]
         public List<IAnnotation> QueryAnnotation()
         {
-            throw new NotImplementedException("Derived property Annotation not yet supported");
+            return this.ComputeAnnotation();
         }
 
         /// <summary>
         /// The textual representation of the representedElement in the given language.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1647817353412_339800_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ITextualRepresentation.Body")]
         public string Body { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -117,6 +122,7 @@ public List<IAnnotation> QueryAnnotation()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -125,9 +131,10 @@ public List<IAnnotation> QueryAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -135,6 +142,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -145,21 +153,24 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// The natural or artifical language in which the body text is written.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594152270061_927814_2479", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ITextualRepresentation.Language")]
         public string Language { get; set; }
 
         /// <summary>
@@ -169,9 +180,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -181,9 +193,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_4_12e503d9_1703019570915_375100_18", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IAnnotatingElement.OwnedAnnotatingRelationship")]
         public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotatingRelationship not yet supported");
+            return this.ComputeOwnedAnnotatingRelationship();
         }
 
         /// <summary>
@@ -193,9 +206,10 @@ public List<IAnnotation> QueryOwnedAnnotatingRelationship()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -203,9 +217,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -213,6 +228,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -220,9 +236,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -231,9 +248,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_2022x_2_12e503d9_1735188506571_308678_376", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094212714_953084_18407")]
+        [Implements(implementation: "IAnnotatingElement.OwningAnnotatingRelationship")]
         public IAnnotation QueryOwningAnnotatingRelationship()
         {
-            throw new NotImplementedException("Derived property OwningAnnotatingRelationship not yet supported");
+            return this.ComputeOwningAnnotatingRelationship();
         }
 
         /// <summary>
@@ -242,9 +260,10 @@ public IAnnotation QueryOwningAnnotatingRelationship()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -253,9 +272,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -263,6 +283,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -274,9 +295,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -285,9 +307,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758494_414887_3389", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_744477_17277")]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1594145755058_99428_86")]
+        [Implements(implementation: "ITextualRepresentation.RepresentedElement")]
         public IElement QueryRepresentedElement()
         {
-            throw new NotImplementedException("Derived property RepresentedElement not yet supported");
+            return this.ComputeRepresentedElement();
         }
 
         /// <summary>
@@ -297,9 +320,10 @@ public IElement QueryRepresentedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -308,9 +332,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/TransitionFeatureMembership.cs b/SysML2.NET/Core/AutoGenPoco/TransitionFeatureMembership.cs
index 9e40a13a..c5b4fcdd 100644
--- a/SysML2.NET/Core/AutoGenPoco/TransitionFeatureMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/TransitionFeatureMembership.cs
@@ -58,12 +58,14 @@ public partial class TransitionFeatureMembership : ITransitionFeatureMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -73,6 +75,7 @@ public partial class TransitionFeatureMembership : ITransitionFeatureMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -81,9 +84,10 @@ public partial class TransitionFeatureMembership : ITransitionFeatureMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -91,6 +95,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -98,6 +103,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -108,21 +114,24 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether this TransitionFeatureMembership  is for a trigger, guard or effect.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575672142396_129864_506", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ITransitionFeatureMembership.Kind")]
         public TransitionFeatureKind Kind { get; set; }
 
         /// <summary>
@@ -130,23 +139,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -156,16 +170,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -174,9 +191,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -186,9 +204,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -196,9 +215,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -209,9 +229,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -219,9 +240,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -231,9 +253,10 @@ public string QueryOwnedMemberElementId()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
         [RedefinedByProperty("ITransitionFeatureMembership.TransitionFeature")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         public IFeature QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -241,9 +264,10 @@ public IFeature QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -251,9 +275,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -261,6 +286,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -268,6 +294,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -275,9 +302,10 @@ public string QueryOwnedMemberShortName()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -286,9 +314,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -297,9 +326,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -307,6 +337,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -314,6 +345,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -322,9 +354,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -336,9 +369,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -346,9 +380,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -358,9 +393,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -368,14 +404,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -383,9 +423,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -393,9 +434,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1582975046568_736161_148", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674993_898044_43344")]
+        [Implements(implementation: "ITransitionFeatureMembership.TransitionFeature")]
         public IStep QueryTransitionFeature()
         {
-            throw new NotImplementedException("Derived property TransitionFeature not yet supported");
+            return this.ComputeTransitionFeature();
         }
 
         /// <summary>
@@ -403,6 +445,7 @@ public IStep QueryTransitionFeature()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/TransitionUsage.cs b/SysML2.NET/Core/AutoGenPoco/TransitionUsage.cs
index 2400ffc2..d013e198 100644
--- a/SysML2.NET/Core/AutoGenPoco/TransitionUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/TransitionUsage.cs
@@ -90,15 +90,17 @@ public partial class TransitionUsage : ITransitionUsage
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -107,9 +109,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -121,9 +124,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -133,15 +137,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -151,6 +157,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -161,9 +168,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -176,9 +184,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -187,9 +196,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -198,9 +208,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -208,6 +219,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -216,9 +228,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -228,9 +241,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1581029782522_542070_6299", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "ITransitionUsage.EffectAction")]
         public List<IActionUsage> QueryEffectAction()
         {
-            throw new NotImplementedException("Derived property EffectAction not yet supported");
+            return this.ComputeEffectAction();
         }
 
         /// <summary>
@@ -238,6 +252,7 @@ public List<IActionUsage> QueryEffectAction()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -245,9 +260,10 @@ public List<IActionUsage> QueryEffectAction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -257,9 +273,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -267,9 +284,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -278,18 +296,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -299,9 +319,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -311,9 +332,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1581029720824_747691_6254", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "ITransitionUsage.GuardExpression")]
         public List<IExpression> QueryGuardExpression()
         {
-            throw new NotImplementedException("Derived property GuardExpression not yet supported");
+            return this.ComputeGuardExpression();
         }
 
         /// <summary>
@@ -321,9 +343,10 @@ public List<IExpression> QueryGuardExpression()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -331,9 +354,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -341,9 +365,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -352,9 +377,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -362,9 +388,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -377,9 +404,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -387,6 +415,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -395,15 +424,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -411,12 +442,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -430,6 +463,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -440,6 +474,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -447,21 +482,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -469,15 +507,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -489,12 +529,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -502,13 +544,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -521,9 +566,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -531,9 +577,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -541,9 +588,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -553,9 +601,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -565,9 +614,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -575,9 +625,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -585,9 +636,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -595,9 +647,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -605,9 +658,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -615,9 +669,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -625,9 +680,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -635,9 +691,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -647,9 +704,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -657,9 +715,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -667,9 +726,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -677,9 +737,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -687,9 +748,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -697,9 +759,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -707,9 +770,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -717,9 +781,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -727,9 +792,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -737,9 +803,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -747,9 +814,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -757,9 +825,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -767,9 +836,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -777,9 +847,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -787,9 +858,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -798,9 +870,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -808,9 +881,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -818,9 +892,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -828,9 +903,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -838,9 +914,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -851,9 +928,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -861,9 +939,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -873,9 +952,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -884,9 +964,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -895,9 +976,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -907,9 +989,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -919,9 +1002,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -929,9 +1013,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -940,9 +1025,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -950,9 +1036,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -962,9 +1049,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -974,9 +1062,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -986,9 +1075,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -998,9 +1088,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1009,9 +1100,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1020,9 +1112,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1033,9 +1126,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1044,9 +1138,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1055,9 +1150,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1065,6 +1161,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1074,9 +1171,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1086,9 +1184,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1098,9 +1197,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1110,9 +1210,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1121,9 +1222,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1131,9 +1233,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1142,9 +1245,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1152,9 +1256,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1163,9 +1268,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1174,9 +1280,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1184,6 +1291,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1193,9 +1301,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1203,9 +1312,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1214,9 +1324,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1225,6 +1336,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1236,9 +1348,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1248,9 +1361,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1258,9 +1372,10 @@ public string QueryShortName()
         /// TransitionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1581029439311_947395_6114", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ITransitionUsage.Source")]
         public IActionUsage QuerySource()
         {
-            throw new NotImplementedException("Derived property Source not yet supported");
+            return this.ComputeSource();
         }
 
         /// <summary>
@@ -1269,9 +1384,10 @@ public IActionUsage QuerySource()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1581030490131_304332_6364", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "ITransitionUsage.Succession")]
         public ISuccession QuerySuccession()
         {
-            throw new NotImplementedException("Derived property Succession not yet supported");
+            return this.ComputeSuccession();
         }
 
         /// <summary>
@@ -1279,9 +1395,10 @@ public ISuccession QuerySuccession()
         /// TransitionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1581029493366_130491_6153", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ITransitionUsage.Target")]
         public IActionUsage QueryTarget()
         {
-            throw new NotImplementedException("Derived property Target not yet supported");
+            return this.ComputeTarget();
         }
 
         /// <summary>
@@ -1290,9 +1407,10 @@ public IActionUsage QueryTarget()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1302,9 +1420,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1581029662256_985457_6209", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "ITransitionUsage.TriggerAction")]
         public List<IAcceptActionUsage> QueryTriggerAction()
         {
-            throw new NotImplementedException("Derived property TriggerAction not yet supported");
+            return this.ComputeTriggerAction();
         }
 
         /// <summary>
@@ -1315,9 +1434,10 @@ public List<IAcceptActionUsage> QueryTriggerAction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1328,9 +1448,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1338,9 +1459,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1349,9 +1471,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1360,9 +1483,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/TriggerInvocationExpression.cs b/SysML2.NET/Core/AutoGenPoco/TriggerInvocationExpression.cs
index 2167da88..232540e6 100644
--- a/SysML2.NET/Core/AutoGenPoco/TriggerInvocationExpression.cs
+++ b/SysML2.NET/Core/AutoGenPoco/TriggerInvocationExpression.cs
@@ -59,6 +59,7 @@ public partial class TriggerInvocationExpression : ITriggerInvocationExpression
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -68,9 +69,10 @@ public partial class TriggerInvocationExpression : ITriggerInvocationExpression
         /// InstantiationExpression.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134437590_328753_108", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IInstantiationExpression.Argument")]
         public List<IExpression> QueryArgument()
         {
-            throw new NotImplementedException("Derived property Argument not yet supported");
+            return this.ComputeArgument();
         }
 
         /// <summary>
@@ -79,9 +81,10 @@ public List<IExpression> QueryArgument()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -93,9 +96,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -105,15 +109,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -123,6 +129,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -135,9 +142,10 @@ public IFeature QueryCrossFeature()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -146,9 +154,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -156,6 +165,7 @@ public List<IFeature> QueryDirectedFeature()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -164,9 +174,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -174,6 +185,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -181,9 +193,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -193,9 +206,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -203,9 +217,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -214,18 +229,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -235,9 +252,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -245,9 +263,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -255,9 +274,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -265,9 +285,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -276,9 +297,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -286,9 +308,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -296,9 +319,10 @@ public List<IFeature> QueryInput()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1739134352572_416088_80", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IInstantiationExpression.InstantiatedType")]
         public IType QueryInstantiatedType()
         {
-            throw new NotImplementedException("Derived property InstantiatedType not yet supported");
+            return this.ComputeInstantiatedType();
         }
 
         /// <summary>
@@ -311,9 +335,10 @@ public IType QueryInstantiatedType()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -321,6 +346,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -329,15 +355,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -345,12 +373,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -364,6 +394,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -374,15 +405,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -390,15 +423,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -406,6 +441,7 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
@@ -417,12 +453,14 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -430,6 +468,7 @@ public bool QueryIsModelLevelEvaluable()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsVariable")]
         public bool IsVariable { get; set; }
 
         /// <summary>
@@ -437,6 +476,7 @@ public bool QueryIsModelLevelEvaluable()
         /// invoked by this TriggerInvocationExpression.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1643588513495_774789_300", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ITriggerInvocationExpression.Kind")]
         public TriggerKind Kind { get; set; }
 
         /// <summary>
@@ -444,9 +484,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -454,9 +495,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -466,9 +508,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -478,9 +521,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -488,9 +532,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -500,9 +545,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -511,9 +557,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -522,9 +569,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -534,9 +582,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -546,9 +595,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -556,9 +606,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -567,9 +618,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -577,9 +629,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -589,9 +642,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -601,9 +655,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -613,9 +668,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -625,9 +681,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -636,9 +693,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -647,9 +705,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -660,9 +719,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -671,9 +731,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -682,9 +743,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -692,6 +754,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -701,9 +764,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -713,9 +777,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -725,9 +790,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -737,9 +803,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -748,9 +815,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -758,9 +826,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -768,9 +837,10 @@ public IElement QueryOwner()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -779,9 +849,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -790,9 +861,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -800,6 +872,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -809,9 +882,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -820,9 +894,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -834,9 +909,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -847,9 +923,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -859,9 +936,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -870,9 +948,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -882,9 +961,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// Feature.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -895,9 +975,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Type.cs b/SysML2.NET/Core/AutoGenPoco/Type.cs
index 538862c2..25cc035d 100644
--- a/SysML2.NET/Core/AutoGenPoco/Type.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Type.cs
@@ -54,12 +54,14 @@ public partial class Type : IType
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -69,6 +71,7 @@ public partial class Type : IType
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -81,9 +84,10 @@ public partial class Type : IType
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -91,9 +95,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -102,9 +107,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -112,6 +118,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -119,9 +126,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -129,9 +137,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -140,9 +149,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -150,9 +160,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -160,9 +171,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -171,9 +183,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -181,9 +194,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -196,9 +210,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -206,15 +221,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -225,15 +242,17 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -245,6 +264,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -252,9 +272,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -262,9 +283,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -274,9 +296,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -286,9 +309,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -296,9 +320,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -308,9 +333,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -319,9 +345,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -331,9 +358,10 @@ public IConjugation QueryOwnedConjugator()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -343,9 +371,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -353,9 +382,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -364,9 +394,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -374,9 +405,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -386,9 +418,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -398,9 +431,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -409,9 +443,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -420,9 +455,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -433,9 +469,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -443,6 +480,7 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -452,9 +490,10 @@ public List<IMembership> QueryOwnedMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -463,9 +502,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -473,9 +513,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -484,9 +525,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -495,9 +537,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -505,6 +548,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -516,9 +560,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -528,9 +573,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -539,9 +585,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -552,9 +599,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/TypeFeaturing.cs b/SysML2.NET/Core/AutoGenPoco/TypeFeaturing.cs
index 5bb832c9..c3b6cfc9 100644
--- a/SysML2.NET/Core/AutoGenPoco/TypeFeaturing.cs
+++ b/SysML2.NET/Core/AutoGenPoco/TypeFeaturing.cs
@@ -53,12 +53,14 @@ public partial class TypeFeaturing : ITypeFeaturing
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -68,6 +70,7 @@ public partial class TypeFeaturing : ITypeFeaturing
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -76,9 +79,10 @@ public partial class TypeFeaturing : ITypeFeaturing
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -86,6 +90,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -93,6 +98,7 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603904928950_912234_579", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "ITypeFeaturing.FeatureOfType")]
         public IFeature FeatureOfType { get; set; }
 
         /// <summary>
@@ -100,6 +106,7 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603904945024_8186_598", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "ITypeFeaturing.FeaturingType")]
         public IType FeaturingType { get; set; }
 
         /// <summary>
@@ -107,6 +114,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -117,15 +125,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -135,9 +145,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -147,9 +158,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -157,9 +169,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -167,6 +180,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -174,6 +188,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -181,9 +196,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -192,9 +208,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673976_689994_763", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_912234_579")]
+        [Implements(implementation: "ITypeFeaturing.OwningFeatureOfType")]
         public IFeature QueryOwningFeatureOfType()
         {
-            throw new NotImplementedException("Derived property OwningFeatureOfType not yet supported");
+            return this.ComputeOwningFeatureOfType();
         }
 
         /// <summary>
@@ -203,9 +220,10 @@ public IFeature QueryOwningFeatureOfType()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -214,9 +232,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -224,6 +243,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -231,6 +251,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -242,9 +263,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -252,9 +274,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -264,9 +287,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -274,14 +298,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ITypeFeaturing.FeatureOfType")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("ITypeFeaturing.FeatureOfType")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("ITypeFeaturing.FeaturingType")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("ITypeFeaturing.FeaturingType")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -289,9 +317,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Unioning.cs b/SysML2.NET/Core/AutoGenPoco/Unioning.cs
index 4cc3f764..1b8c8553 100644
--- a/SysML2.NET/Core/AutoGenPoco/Unioning.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Unioning.cs
@@ -51,12 +51,14 @@ public partial class Unioning : IUnioning
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -66,6 +68,7 @@ public partial class Unioning : IUnioning
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -74,9 +77,10 @@ public partial class Unioning : IUnioning
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -84,6 +88,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -91,6 +96,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -101,15 +107,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -119,9 +127,10 @@ public bool QueryIsLibraryElement()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -131,9 +140,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -141,9 +151,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -151,6 +162,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -158,6 +170,7 @@ public List<IElement> QueryOwnedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -165,9 +178,10 @@ public List<IElement> QueryOwnedElement()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -176,9 +190,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -187,9 +202,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -197,6 +213,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -204,6 +221,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -215,9 +233,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -225,9 +244,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -237,9 +257,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -247,14 +268,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IUnioning.TypeUnioned")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IUnioning.TypeUnioned")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IUnioning.UnioningType")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IUnioning.UnioningType")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -262,9 +287,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -273,9 +299,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         [Property(xmiId: "_19_0_4_b9102da_1661869978504_423347_459", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IUnioning.TypeUnioned")]
         public IType QueryTypeUnioned()
         {
-            throw new NotImplementedException("Derived property TypeUnioned not yet supported");
+            return this.ComputeTypeUnioned();
         }
 
         /// <summary>
@@ -283,6 +310,7 @@ public IType QueryTypeUnioned()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661869982082_280210_472", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
+        [Implements(implementation: "IUnioning.UnioningType")]
         public IType UnioningType { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/Usage.cs b/SysML2.NET/Core/AutoGenPoco/Usage.cs
index d20a7325..6becdd26 100644
--- a/SysML2.NET/Core/AutoGenPoco/Usage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/Usage.cs
@@ -82,6 +82,7 @@ public partial class Usage : IUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -93,9 +94,10 @@ public partial class Usage : IUsage
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -105,15 +107,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -123,6 +127,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -132,9 +137,10 @@ public IFeature QueryCrossFeature()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -147,9 +153,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -157,9 +164,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -168,9 +176,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -178,6 +187,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -186,9 +196,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -196,6 +207,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -203,9 +215,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -215,9 +228,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -225,9 +239,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -236,18 +251,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -257,9 +274,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -267,9 +285,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -277,9 +296,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -288,9 +308,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -298,9 +319,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -313,9 +335,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -323,6 +346,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -331,15 +355,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -347,12 +373,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -366,6 +394,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -376,21 +405,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -398,15 +430,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -418,12 +452,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -431,13 +467,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -450,9 +489,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -460,9 +500,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -470,9 +511,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -482,9 +524,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -494,9 +537,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -504,9 +548,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -514,9 +559,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -524,9 +570,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -534,9 +581,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -544,9 +592,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -554,9 +603,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -564,9 +614,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -576,9 +627,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -586,9 +638,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -596,9 +649,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -606,9 +660,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -616,9 +671,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -626,9 +682,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -636,9 +693,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -646,9 +704,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -656,9 +715,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -666,9 +726,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -676,9 +737,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -686,9 +748,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -696,9 +759,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -706,9 +770,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -716,9 +781,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -727,9 +793,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -737,9 +804,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -747,9 +815,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -757,9 +826,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -767,9 +837,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -777,9 +848,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -789,9 +861,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -800,9 +873,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -811,9 +885,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -823,9 +898,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -835,9 +911,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -845,9 +922,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -856,9 +934,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -866,9 +945,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -878,9 +958,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -890,9 +971,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -902,9 +984,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -914,9 +997,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -925,9 +1009,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -936,9 +1021,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -949,9 +1035,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -960,9 +1047,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -971,9 +1059,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -981,6 +1070,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -990,9 +1080,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1002,9 +1093,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1014,9 +1106,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1026,9 +1119,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1037,9 +1131,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1047,9 +1142,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1058,9 +1154,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1068,9 +1165,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1079,9 +1177,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1090,9 +1189,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1100,6 +1200,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1109,9 +1210,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1119,9 +1221,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1133,9 +1236,10 @@ public IUsage QueryOwningUsage()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1145,9 +1249,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1156,9 +1261,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1169,9 +1275,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1182,9 +1289,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1192,9 +1300,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1203,9 +1312,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1214,9 +1324,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/UseCaseDefinition.cs b/SysML2.NET/Core/AutoGenPoco/UseCaseDefinition.cs
index 8d722913..e4563ed1 100644
--- a/SysML2.NET/Core/AutoGenPoco/UseCaseDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/UseCaseDefinition.cs
@@ -82,9 +82,10 @@ public partial class UseCaseDefinition : IUseCaseDefinition
         [Property(xmiId: "_18_5_3_12e503d9_1565500809065_170841_30688", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IActionDefinition.Action")]
         public List<IActionUsage> QueryAction()
         {
-            throw new NotImplementedException("Derived property Action not yet supported");
+            return this.ComputeAction();
         }
 
         /// <summary>
@@ -93,15 +94,17 @@ public List<IActionUsage> QueryAction()
         [Property(xmiId: "_19_0_4_12e503d9_1621464609772_382176_1612", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "ICaseDefinition.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -110,15 +113,17 @@ public List<IPartUsage> QueryActorParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1588214479224_101961_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565500809065_170841_30688")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948400639_301251_20841")]
+        [Implements(implementation: "ICalculationDefinition.Calculation")]
         public List<ICalculationUsage> QueryCalculation()
         {
-            throw new NotImplementedException("Derived property Calculation not yet supported");
+            return this.ComputeCalculation();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -128,6 +133,7 @@ public List<ICalculationUsage> QueryCalculation()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -140,9 +146,10 @@ public List<ICalculationUsage> QueryCalculation()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -151,9 +158,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -162,9 +170,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -173,9 +182,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -183,6 +193,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -190,9 +201,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -200,9 +212,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948400639_301251_20841", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
+        [Implements(implementation: "IFunction.Expression")]
         public List<IExpression> QueryExpression()
         {
-            throw new NotImplementedException("Derived property Expression not yet supported");
+            return this.ComputeExpression();
         }
 
         /// <summary>
@@ -210,9 +223,10 @@ public List<IExpression> QueryExpression()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -221,9 +235,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -231,9 +246,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -241,9 +257,10 @@ public List<IMembership> QueryImportedMembership()
         /// IncludeUseCaseUsages owned by this UseCaseDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461043764_27_910", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUseCaseDefinition.IncludedUseCase")]
         public List<IUseCaseUsage> QueryIncludedUseCase()
         {
-            throw new NotImplementedException("Derived property IncludedUseCase not yet supported");
+            return this.ComputeIncludedUseCase();
         }
 
         /// <summary>
@@ -251,9 +268,10 @@ public List<IUseCaseUsage> QueryIncludedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -262,9 +280,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -272,9 +291,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -287,9 +307,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -297,15 +318,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -316,21 +339,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -341,9 +367,10 @@ public bool QueryIsLibraryElement()
         /// model-level evaluable.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617395221463_139517_26381", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFunction.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
@@ -355,6 +382,7 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -362,6 +390,7 @@ public bool QueryIsModelLevelEvaluable()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -369,9 +398,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -379,9 +409,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -391,9 +422,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -403,9 +435,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -413,9 +446,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590259317710_27529_910", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "ICaseDefinition.ObjectiveRequirement")]
         public IRequirementUsage QueryObjectiveRequirement()
         {
-            throw new NotImplementedException("Derived property ObjectiveRequirement not yet supported");
+            return this.ComputeObjectiveRequirement();
         }
 
         /// <summary>
@@ -423,9 +457,10 @@ public IRequirementUsage QueryObjectiveRequirement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -433,9 +468,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -443,9 +479,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -453,9 +490,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -465,9 +503,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -475,9 +514,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -485,9 +525,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -495,9 +536,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -505,9 +547,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -516,9 +559,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -528,9 +572,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -538,9 +583,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -550,9 +596,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -562,9 +609,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -572,9 +620,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -583,9 +632,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -593,9 +643,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -603,9 +654,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -615,9 +667,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -625,9 +678,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -637,9 +691,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -647,9 +702,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -658,9 +714,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -668,9 +725,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -679,9 +737,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -692,9 +751,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -702,9 +762,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -712,9 +773,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -722,9 +784,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -732,9 +795,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -742,9 +806,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -752,6 +817,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -759,9 +825,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -769,9 +836,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -781,9 +849,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -791,9 +860,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -802,9 +872,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -812,9 +883,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -823,9 +895,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -834,9 +907,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -844,9 +918,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -854,9 +929,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -864,9 +940,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -874,9 +951,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -884,9 +962,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -895,9 +974,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -906,9 +986,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -916,6 +997,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -924,9 +1006,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -938,9 +1021,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -949,9 +1033,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_18_5_3_12e503d9_1543948912268_88159_21323", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
+        [Implements(implementation: "IFunction.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -961,9 +1046,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -971,9 +1057,10 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -982,9 +1069,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1595189932946_106647_973", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "ICaseDefinition.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -993,9 +1081,10 @@ public IUsage QuerySubjectParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1006,9 +1095,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1016,9 +1106,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1027,9 +1118,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1039,9 +1131,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/UseCaseUsage.cs b/SysML2.NET/Core/AutoGenPoco/UseCaseUsage.cs
index 74c0c5ab..c808747a 100644
--- a/SysML2.NET/Core/AutoGenPoco/UseCaseUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/UseCaseUsage.cs
@@ -85,9 +85,10 @@ public partial class UseCaseUsage : IUseCaseUsage
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
         [RedefinedByProperty("ICalculationUsage.CalculationDefinition")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
@@ -96,15 +97,17 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_19_0_4_12e503d9_1621464633171_380461_1655", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "ICaseUsage.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -113,9 +116,10 @@ public List<IPartUsage> QueryActorParameter()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -127,9 +131,10 @@ public List<IBehavior> QueryBehavior()
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543948477241_299049_20934")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1565500905804_589845_30779")]
         [RedefinedByProperty("ICaseUsage.CaseDefinition")]
+        [Implements(implementation: "ICalculationUsage.CalculationDefinition")]
         public IFunction QueryCalculationDefinition()
         {
-            throw new NotImplementedException("Derived property CalculationDefinition not yet supported");
+            return this.ComputeCalculationDefinition();
         }
 
         /// <summary>
@@ -138,9 +143,10 @@ public IFunction QueryCalculationDefinition()
         [Property(xmiId: "_19_0_2_59601fc_1590257465225_855208_512", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1588213526305_899324_302")]
         [RedefinedByProperty("IUseCaseUsage.UseCaseDefinition")]
+        [Implements(implementation: "ICaseUsage.CaseDefinition")]
         public ICaseDefinition QueryCaseDefinition()
         {
-            throw new NotImplementedException("Derived property CaseDefinition not yet supported");
+            return this.ComputeCaseDefinition();
         }
 
         /// <summary>
@@ -152,9 +158,10 @@ public ICaseDefinition QueryCaseDefinition()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -164,15 +171,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -182,6 +191,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -192,9 +202,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -207,9 +218,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -218,9 +230,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -229,9 +242,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -239,6 +253,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -247,9 +262,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -257,6 +273,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -264,9 +281,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -276,9 +294,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -286,9 +305,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -297,18 +317,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -318,9 +340,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -329,9 +352,10 @@ public List<IType> QueryFeaturingType()
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("ICalculationUsage.CalculationDefinition")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -339,9 +363,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -349,9 +374,10 @@ public List<IMembership> QueryImportedMembership()
         /// IncludeUseCaseUsages owned by this UseCaseUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621545989647_997634_1855", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUseCaseUsage.IncludedUseCase")]
         public List<IUseCaseUsage> QueryIncludedUseCase()
         {
-            throw new NotImplementedException("Derived property IncludedUseCase not yet supported");
+            return this.ComputeIncludedUseCase();
         }
 
         /// <summary>
@@ -359,9 +385,10 @@ public List<IUseCaseUsage> QueryIncludedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -369,9 +396,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -380,9 +408,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -390,9 +419,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -405,9 +435,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -415,6 +446,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -423,15 +455,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -439,12 +473,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -458,6 +494,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -468,6 +505,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -475,15 +513,17 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -491,15 +531,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -507,15 +549,17 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -527,12 +571,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -540,13 +586,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -559,9 +608,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -569,9 +619,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -579,9 +630,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -591,9 +643,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -603,9 +656,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -613,9 +667,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -623,9 +678,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -633,9 +689,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -643,9 +700,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -653,9 +711,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -663,9 +722,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -673,9 +733,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -685,9 +746,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -695,9 +757,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -705,9 +768,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -715,9 +779,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -725,9 +790,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -735,9 +801,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -745,9 +812,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -755,9 +823,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -765,9 +834,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -775,9 +845,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -785,9 +856,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -795,9 +867,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -805,9 +878,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -815,9 +889,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -825,9 +900,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -836,9 +912,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -846,9 +923,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -856,9 +934,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -866,9 +945,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -876,9 +956,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -886,9 +967,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591138794257_404044_2145", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "ICaseUsage.ObjectiveRequirement")]
         public IRequirementUsage QueryObjectiveRequirement()
         {
-            throw new NotImplementedException("Derived property ObjectiveRequirement not yet supported");
+            return this.ComputeObjectiveRequirement();
         }
 
         /// <summary>
@@ -899,9 +981,10 @@ public IRequirementUsage QueryObjectiveRequirement()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -909,9 +992,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -921,9 +1005,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -932,9 +1017,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -943,9 +1029,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -955,9 +1042,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -967,9 +1055,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -977,9 +1066,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -988,9 +1078,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -998,9 +1089,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -1010,9 +1102,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -1022,9 +1115,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1034,9 +1128,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1046,9 +1141,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1057,9 +1153,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1068,9 +1165,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1081,9 +1179,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1092,9 +1191,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1103,9 +1203,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1113,6 +1214,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1122,9 +1224,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1134,9 +1237,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1146,9 +1250,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1158,9 +1263,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1169,9 +1275,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1179,9 +1286,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1190,9 +1298,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1200,9 +1309,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1211,9 +1321,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1222,9 +1333,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1232,6 +1344,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1241,9 +1354,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1251,9 +1365,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1262,9 +1377,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1273,6 +1389,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1284,9 +1401,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1297,9 +1415,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -1309,9 +1428,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1320,9 +1440,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1595190279083_51021_1128", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "ICaseUsage.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -1331,9 +1452,10 @@ public IUsage QuerySubjectParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1344,9 +1466,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1357,9 +1480,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1367,9 +1491,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1377,9 +1502,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621460964889_804779_881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_59601fc_1590257465225_855208_512")]
+        [Implements(implementation: "IUseCaseUsage.UseCaseDefinition")]
         public IUseCaseDefinition QueryUseCaseDefinition()
         {
-            throw new NotImplementedException("Derived property UseCaseDefinition not yet supported");
+            return this.ComputeUseCaseDefinition();
         }
 
         /// <summary>
@@ -1388,9 +1514,10 @@ public IUseCaseDefinition QueryUseCaseDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1399,9 +1526,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/VariantMembership.cs b/SysML2.NET/Core/AutoGenPoco/VariantMembership.cs
index 74500435..b3976a19 100644
--- a/SysML2.NET/Core/AutoGenPoco/VariantMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/VariantMembership.cs
@@ -54,12 +54,14 @@ public partial class VariantMembership : IVariantMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -69,6 +71,7 @@ public partial class VariantMembership : IVariantMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -77,9 +80,10 @@ public partial class VariantMembership : IVariantMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -87,6 +91,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -94,6 +99,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -104,15 +110,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -120,23 +128,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -145,16 +158,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_531296_43182")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -163,9 +179,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -175,9 +192,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -185,9 +203,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -198,9 +217,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IVariantMembership.OwnedVariantUsage")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -208,9 +228,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -218,9 +239,10 @@ public string QueryOwnedMemberElementId()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -228,9 +250,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -238,6 +261,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -245,6 +269,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -253,9 +278,10 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978683452_645414_775", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
+        [Implements(implementation: "IVariantMembership.OwnedVariantUsage")]
         public IUsage QueryOwnedVariantUsage()
         {
-            throw new NotImplementedException("Derived property OwnedVariantUsage not yet supported");
+            return this.ComputeOwnedVariantUsage();
         }
 
         /// <summary>
@@ -263,9 +289,10 @@ public IUsage QueryOwnedVariantUsage()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -274,9 +301,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -285,9 +313,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -295,6 +324,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -302,6 +332,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -313,9 +344,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -323,9 +355,10 @@ public string QueryQualifiedName()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -335,9 +368,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -345,14 +379,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -360,9 +398,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -370,6 +409,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/VerificationCaseDefinition.cs b/SysML2.NET/Core/AutoGenPoco/VerificationCaseDefinition.cs
index 82237d77..4241db53 100644
--- a/SysML2.NET/Core/AutoGenPoco/VerificationCaseDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/VerificationCaseDefinition.cs
@@ -81,9 +81,10 @@ public partial class VerificationCaseDefinition : IVerificationCaseDefinition
         [Property(xmiId: "_18_5_3_12e503d9_1565500809065_170841_30688", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IActionDefinition.Action")]
         public List<IActionUsage> QueryAction()
         {
-            throw new NotImplementedException("Derived property Action not yet supported");
+            return this.ComputeAction();
         }
 
         /// <summary>
@@ -92,15 +93,17 @@ public List<IActionUsage> QueryAction()
         [Property(xmiId: "_19_0_4_12e503d9_1621464609772_382176_1612", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "ICaseDefinition.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -109,15 +112,17 @@ public List<IPartUsage> QueryActorParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1588214479224_101961_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565500809065_170841_30688")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948400639_301251_20841")]
+        [Implements(implementation: "ICalculationDefinition.Calculation")]
         public List<ICalculationUsage> QueryCalculation()
         {
-            throw new NotImplementedException("Derived property Calculation not yet supported");
+            return this.ComputeCalculation();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -127,6 +132,7 @@ public List<ICalculationUsage> QueryCalculation()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -139,9 +145,10 @@ public List<ICalculationUsage> QueryCalculation()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -150,9 +157,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -161,9 +169,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -172,9 +181,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -182,6 +192,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -189,9 +200,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -199,9 +211,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948400639_301251_20841", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
+        [Implements(implementation: "IFunction.Expression")]
         public List<IExpression> QueryExpression()
         {
-            throw new NotImplementedException("Derived property Expression not yet supported");
+            return this.ComputeExpression();
         }
 
         /// <summary>
@@ -209,9 +222,10 @@ public List<IExpression> QueryExpression()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -220,9 +234,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -230,9 +245,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -240,9 +256,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -251,9 +268,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -261,9 +279,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -276,9 +295,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -286,15 +306,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -305,21 +327,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -330,9 +355,10 @@ public bool QueryIsLibraryElement()
         /// model-level evaluable.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617395221463_139517_26381", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFunction.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
@@ -344,6 +370,7 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -351,6 +378,7 @@ public bool QueryIsModelLevelEvaluable()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -358,9 +386,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -368,9 +397,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -380,9 +410,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -392,9 +423,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -402,9 +434,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590259317710_27529_910", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "ICaseDefinition.ObjectiveRequirement")]
         public IRequirementUsage QueryObjectiveRequirement()
         {
-            throw new NotImplementedException("Derived property ObjectiveRequirement not yet supported");
+            return this.ComputeObjectiveRequirement();
         }
 
         /// <summary>
@@ -412,9 +445,10 @@ public IRequirementUsage QueryObjectiveRequirement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -422,9 +456,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -432,9 +467,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -442,9 +478,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -454,9 +491,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -464,9 +502,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -474,9 +513,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -484,9 +524,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -494,9 +535,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -505,9 +547,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -517,9 +560,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -527,9 +571,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -539,9 +584,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -551,9 +597,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -561,9 +608,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -572,9 +620,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -582,9 +631,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -592,9 +642,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -604,9 +655,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -614,9 +666,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -626,9 +679,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -636,9 +690,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -647,9 +702,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -657,9 +713,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -668,9 +725,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -681,9 +739,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -691,9 +750,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -701,9 +761,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -711,9 +772,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -721,9 +783,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -731,9 +794,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -741,6 +805,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -748,9 +813,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -758,9 +824,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -770,9 +837,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -780,9 +848,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -791,9 +860,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -801,9 +871,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -812,9 +883,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -823,9 +895,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -833,9 +906,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -843,9 +917,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -853,9 +928,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -863,9 +939,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -873,9 +950,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -884,9 +962,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -895,9 +974,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -905,6 +985,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -913,9 +994,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -927,9 +1009,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -938,9 +1021,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_18_5_3_12e503d9_1543948912268_88159_21323", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
+        [Implements(implementation: "IFunction.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -950,9 +1034,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -960,9 +1045,10 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -971,9 +1057,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1595189932946_106647_973", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "ICaseDefinition.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -982,9 +1069,10 @@ public IUsage QuerySubjectParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -995,9 +1083,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1005,9 +1094,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1016,9 +1106,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1028,9 +1119,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
         /// <summary>
@@ -1038,9 +1130,10 @@ public List<IVariantMembership> QueryVariantMembership()
         /// verifiedRequirements of all RequirementVerificationMemberships of the objectiveRequirement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603922371399_701592_338", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IVerificationCaseDefinition.VerifiedRequirement")]
         public List<IRequirementUsage> QueryVerifiedRequirement()
         {
-            throw new NotImplementedException("Derived property VerifiedRequirement not yet supported");
+            return this.ComputeVerifiedRequirement();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/VerificationCaseUsage.cs b/SysML2.NET/Core/AutoGenPoco/VerificationCaseUsage.cs
index 85942625..86176103 100644
--- a/SysML2.NET/Core/AutoGenPoco/VerificationCaseUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/VerificationCaseUsage.cs
@@ -85,9 +85,10 @@ public partial class VerificationCaseUsage : IVerificationCaseUsage
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
         [RedefinedByProperty("ICalculationUsage.CalculationDefinition")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
@@ -96,15 +97,17 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_19_0_4_12e503d9_1621464633171_380461_1655", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "ICaseUsage.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -113,9 +116,10 @@ public List<IPartUsage> QueryActorParameter()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -127,9 +131,10 @@ public List<IBehavior> QueryBehavior()
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543948477241_299049_20934")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1565500905804_589845_30779")]
         [RedefinedByProperty("ICaseUsage.CaseDefinition")]
+        [Implements(implementation: "ICalculationUsage.CalculationDefinition")]
         public IFunction QueryCalculationDefinition()
         {
-            throw new NotImplementedException("Derived property CalculationDefinition not yet supported");
+            return this.ComputeCalculationDefinition();
         }
 
         /// <summary>
@@ -137,9 +142,10 @@ public IFunction QueryCalculationDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257465225_855208_512", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1588213526305_899324_302")]
+        [Implements(implementation: "ICaseUsage.CaseDefinition")]
         public ICaseDefinition QueryCaseDefinition()
         {
-            throw new NotImplementedException("Derived property CaseDefinition not yet supported");
+            return this.ComputeCaseDefinition();
         }
 
         /// <summary>
@@ -151,9 +157,10 @@ public ICaseDefinition QueryCaseDefinition()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -163,15 +170,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -181,6 +190,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -191,9 +201,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -206,9 +217,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -217,9 +229,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -228,9 +241,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -238,6 +252,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -246,9 +261,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -256,6 +272,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -263,9 +280,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -275,9 +293,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -285,9 +304,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -296,18 +316,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -317,9 +339,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -328,9 +351,10 @@ public List<IType> QueryFeaturingType()
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("ICalculationUsage.CalculationDefinition")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -338,9 +362,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -348,9 +373,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -358,9 +384,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -369,9 +396,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -379,9 +407,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -394,9 +423,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -404,6 +434,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -412,15 +443,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -428,12 +461,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -447,6 +482,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -457,6 +493,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -464,15 +501,17 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -480,15 +519,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -496,15 +537,17 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -516,12 +559,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -529,13 +574,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -548,9 +596,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -558,9 +607,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -568,9 +618,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -580,9 +631,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -592,9 +644,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -602,9 +655,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -612,9 +666,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -622,9 +677,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -632,9 +688,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -642,9 +699,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -652,9 +710,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -662,9 +721,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -674,9 +734,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -684,9 +745,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -694,9 +756,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -704,9 +767,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -714,9 +778,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -724,9 +789,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -734,9 +800,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -744,9 +811,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -754,9 +822,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -764,9 +833,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -774,9 +844,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -784,9 +855,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -794,9 +866,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -804,9 +877,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -814,9 +888,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -825,9 +900,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -835,9 +911,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -845,9 +922,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -855,9 +933,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -865,9 +944,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -875,9 +955,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591138794257_404044_2145", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "ICaseUsage.ObjectiveRequirement")]
         public IRequirementUsage QueryObjectiveRequirement()
         {
-            throw new NotImplementedException("Derived property ObjectiveRequirement not yet supported");
+            return this.ComputeObjectiveRequirement();
         }
 
         /// <summary>
@@ -888,9 +969,10 @@ public IRequirementUsage QueryObjectiveRequirement()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -898,9 +980,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -910,9 +993,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -921,9 +1005,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -932,9 +1017,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -944,9 +1030,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -956,9 +1043,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -966,9 +1054,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -977,9 +1066,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -987,9 +1077,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -999,9 +1090,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -1011,9 +1103,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1023,9 +1116,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1035,9 +1129,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1046,9 +1141,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1057,9 +1153,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1070,9 +1167,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1081,9 +1179,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1092,9 +1191,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1102,6 +1202,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1111,9 +1212,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1123,9 +1225,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1135,9 +1238,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1147,9 +1251,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1158,9 +1263,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1168,9 +1274,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1179,9 +1286,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1189,9 +1297,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1200,9 +1309,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1211,9 +1321,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1221,6 +1332,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1230,9 +1342,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1240,9 +1353,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1251,9 +1365,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1262,6 +1377,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1273,9 +1389,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1286,9 +1403,10 @@ public string QueryQualifiedName()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -1298,9 +1416,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1309,9 +1428,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1595190279083_51021_1128", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "ICaseUsage.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -1320,9 +1440,10 @@ public IUsage QuerySubjectParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1333,9 +1454,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1346,9 +1468,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1356,9 +1479,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1367,9 +1491,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1378,9 +1503,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
         /// <summary>
@@ -1388,9 +1514,10 @@ public List<IVariantMembership> QueryVariantMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821408366_748769_10316", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257465225_855208_512")]
+        [Implements(implementation: "IVerificationCaseUsage.VerificationCaseDefinition")]
         public IVerificationCaseDefinition QueryVerificationCaseDefinition()
         {
-            throw new NotImplementedException("Derived property VerificationCaseDefinition not yet supported");
+            return this.ComputeVerificationCaseDefinition();
         }
 
         /// <summary>
@@ -1398,9 +1525,10 @@ public IVerificationCaseDefinition QueryVerificationCaseDefinition()
         /// all RequirementVerificationMemberships of the objectiveRequirement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603922396599_812331_357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IVerificationCaseUsage.VerifiedRequirement")]
         public List<IRequirementUsage> QueryVerifiedRequirement()
         {
-            throw new NotImplementedException("Derived property VerifiedRequirement not yet supported");
+            return this.ComputeVerifiedRequirement();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ViewDefinition.cs b/SysML2.NET/Core/AutoGenPoco/ViewDefinition.cs
index 576faafa..096dfcbf 100644
--- a/SysML2.NET/Core/AutoGenPoco/ViewDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ViewDefinition.cs
@@ -78,12 +78,14 @@ public partial class ViewDefinition : IViewDefinition
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -93,6 +95,7 @@ public partial class ViewDefinition : IViewDefinition
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -105,9 +108,10 @@ public partial class ViewDefinition : IViewDefinition
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -115,9 +119,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -126,9 +131,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -137,9 +143,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -147,6 +154,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -154,9 +162,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -164,9 +173,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -175,9 +185,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -185,9 +196,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -195,9 +207,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -206,9 +219,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -216,9 +230,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -231,9 +246,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -241,15 +257,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -260,21 +278,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -286,6 +307,7 @@ public bool QueryIsLibraryElement()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -293,6 +315,7 @@ public bool QueryIsLibraryElement()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -300,9 +323,10 @@ public bool QueryIsLibraryElement()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -310,9 +334,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -322,9 +347,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -334,9 +360,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -344,9 +371,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -354,9 +382,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -364,9 +393,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -374,9 +404,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -386,9 +417,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -396,9 +428,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -406,9 +439,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -416,9 +450,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -426,9 +461,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -437,9 +473,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -449,9 +486,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -459,9 +497,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -471,9 +510,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -483,9 +523,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -493,9 +534,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -504,9 +546,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -514,9 +557,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -524,9 +568,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -536,9 +581,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -546,9 +592,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -558,9 +605,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -568,9 +616,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -579,9 +628,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -589,9 +639,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -600,9 +651,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -613,9 +665,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -623,9 +676,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -633,9 +687,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -643,9 +698,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -653,9 +709,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -663,9 +720,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -673,6 +731,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -680,9 +739,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -690,9 +750,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -702,9 +763,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -712,9 +774,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -723,9 +786,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -733,9 +797,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -744,9 +809,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -755,9 +821,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -765,9 +832,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -775,9 +843,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -785,9 +854,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -795,9 +865,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -805,9 +876,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -816,9 +888,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -827,9 +900,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -837,6 +911,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -848,9 +923,10 @@ public INamespace QueryOwningNamespace()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -859,9 +935,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596645596183_374903_1209", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IViewDefinition.SatisfiedViewpoint")]
         public List<IViewpointUsage> QuerySatisfiedViewpoint()
         {
-            throw new NotImplementedException("Derived property SatisfiedViewpoint not yet supported");
+            return this.ComputeSatisfiedViewpoint();
         }
 
         /// <summary>
@@ -871,9 +948,10 @@ public List<IViewpointUsage> QuerySatisfiedViewpoint()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -882,9 +960,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -895,9 +974,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -905,9 +985,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -916,9 +997,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -928,9 +1010,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
         /// <summary>
@@ -938,9 +1021,10 @@ public List<IVariantMembership> QueryVariantMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644452170_21813_753", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IViewDefinition.View")]
         public List<IViewUsage> QueryView()
         {
-            throw new NotImplementedException("Derived property View not yet supported");
+            return this.ComputeView();
         }
 
         /// <summary>
@@ -949,9 +1033,10 @@ public List<IViewUsage> QueryView()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606938929077_183245_4796", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IViewDefinition.ViewCondition")]
         public List<IExpression> QueryViewCondition()
         {
-            throw new NotImplementedException("Derived property ViewCondition not yet supported");
+            return this.ComputeViewCondition();
         }
 
         /// <summary>
@@ -959,9 +1044,10 @@ public List<IExpression> QueryViewCondition()
         /// referencedRendering of the ViewRenderingMembership of the ViewDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596657187664_758418_4914", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IViewDefinition.ViewRendering")]
         public IRenderingUsage QueryViewRendering()
         {
-            throw new NotImplementedException("Derived property ViewRendering not yet supported");
+            return this.ComputeViewRendering();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ViewRenderingMembership.cs b/SysML2.NET/Core/AutoGenPoco/ViewRenderingMembership.cs
index 6d617de9..b816b12d 100644
--- a/SysML2.NET/Core/AutoGenPoco/ViewRenderingMembership.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ViewRenderingMembership.cs
@@ -55,12 +55,14 @@ public partial class ViewRenderingMembership : IViewRenderingMembership
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -70,6 +72,7 @@ public partial class ViewRenderingMembership : IViewRenderingMembership
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -78,9 +81,10 @@ public partial class ViewRenderingMembership : IViewRenderingMembership
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -88,6 +92,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -95,6 +100,7 @@ public List<IDocumentation> QueryDocumentation()
         /// directly created by a modeler.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070829631_521257_3623", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IRelationship.IsImplied")]
         public bool IsImplied { get; set; }
 
         /// <summary>
@@ -105,15 +111,17 @@ public List<IDocumentation> QueryDocumentation()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -121,23 +129,28 @@ public bool QueryIsLibraryElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_819490_43195", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_138197_43179")]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")] public IElement MemberElement { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberElement")]
+        [Implements(implementation: "IMembership.MemberElement")]
+        public IElement MemberElement { get; set; }
 
         /// <summary>
         /// The elementId of the memberElement.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721199802_246768_242", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IOwningMembership.OwnedMemberElementId")]
+        [Implements(implementation: "IMembership.MemberElementId")]
         public string QueryMemberElementId()
         {
-            throw new NotImplementedException("Derived property MemberElementId not yet supported");
+            return this.ComputeMemberElementId();
         }
 
         /// <summary>
         /// The name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_35293_43192", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberName")] public string MemberName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberName")]
+        [Implements(implementation: "IMembership.MemberName")]
+        public string MemberName { get; set; }
 
         /// <summary>
         /// The Namespace of which the memberElement becomes a member due to this Membership.
@@ -147,16 +160,19 @@ public string QueryMemberElementId()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_693018_16749")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_696758_43228")]
         [RedefinedByProperty("IFeatureMembership.OwningType")]
+        [Implements(implementation: "IMembership.MembershipOwningNamespace")]
         public INamespace QueryMembershipOwningNamespace()
         {
-            throw new NotImplementedException("Derived property MembershipOwningNamespace not yet supported");
+            return this.ComputeMembershipOwningNamespace();
         }
 
         /// <summary>
         /// The short name of the memberElement relative to the membershipOwningNamespace.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721174176_601088_238", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")] public string MemberShortName { get; set; }
+        [RedefinedByProperty("IOwningMembership.OwnedMemberShortName")]
+        [Implements(implementation: "IMembership.MemberShortName")]
+        public string MemberShortName { get; set; }
 
         /// <summary>
         /// The name to be used for this Element during name resolution within its owningNamespace. This is
@@ -165,9 +181,10 @@ public INamespace QueryMembershipOwningNamespace()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -177,9 +194,10 @@ public string QueryName()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -187,9 +205,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -200,9 +219,10 @@ public List<IElement> QueryOwnedElement()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_59873_43302")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_819490_43195")]
         [RedefinedByProperty("IFeatureMembership.OwnedMemberFeature")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElement")]
         public IElement QueryOwnedMemberElement()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElement not yet supported");
+            return this.ComputeOwnedMemberElement();
         }
 
         /// <summary>
@@ -210,9 +230,10 @@ public IElement QueryOwnedMemberElement()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721234828_904219_244", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721199802_246768_242")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberElementId")]
         public string QueryOwnedMemberElementId()
         {
-            throw new NotImplementedException("Derived property OwnedMemberElementId not yet supported");
+            return this.ComputeOwnedMemberElementId();
         }
 
         /// <summary>
@@ -222,9 +243,10 @@ public string QueryOwnedMemberElementId()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_898044_43344", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_501750_43196")]
         [RedefinedByProperty("IViewRenderingMembership.OwnedRendering")]
+        [Implements(implementation: "IFeatureMembership.OwnedMemberFeature")]
         public IFeature QueryOwnedMemberFeature()
         {
-            throw new NotImplementedException("Derived property OwnedMemberFeature not yet supported");
+            return this.ComputeOwnedMemberFeature();
         }
 
         /// <summary>
@@ -232,9 +254,10 @@ public IFeature QueryOwnedMemberFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1648181616390_323441_387", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674964_35293_43192")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberName")]
         public string QueryOwnedMemberName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberName not yet supported");
+            return this.ComputeOwnedMemberName();
         }
 
         /// <summary>
@@ -242,9 +265,10 @@ public string QueryOwnedMemberName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651721262092_909505_246", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1651721174176_601088_238")]
+        [Implements(implementation: "IOwningMembership.OwnedMemberShortName")]
         public string QueryOwnedMemberShortName()
         {
-            throw new NotImplementedException("Derived property OwnedMemberShortName not yet supported");
+            return this.ComputeOwnedMemberShortName();
         }
 
         /// <summary>
@@ -252,6 +276,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_59873_43302", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwnedRelatedElement")]
         public List<IElement> OwnedRelatedElement { get; set; }
 
         /// <summary>
@@ -259,6 +284,7 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -267,9 +293,10 @@ public string QueryOwnedMemberShortName()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617134244546_130200_6000", aggregation: AggregationKind.Composite, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674993_898044_43344")]
+        [Implements(implementation: "IViewRenderingMembership.OwnedRendering")]
         public IRenderingUsage QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -277,9 +304,10 @@ public IRenderingUsage QueryOwnedRendering()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -288,9 +316,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -299,9 +328,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -309,6 +339,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_693018_16749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
+        [Implements(implementation: "IRelationship.OwningRelatedElement")]
         public IElement OwningRelatedElement { get; set; }
 
         /// <summary>
@@ -316,6 +347,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -324,9 +356,10 @@ public INamespace QueryOwningNamespace()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_418504_43339", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866524_738482_486")]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_193857_43197")]
+        [Implements(implementation: "IFeatureMembership.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -338,9 +371,10 @@ public IType QueryOwningType()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -349,9 +383,10 @@ public string QueryQualifiedName()
         /// otherwise, the ownedRendering itself.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617134300857_286392_6081", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IViewRenderingMembership.ReferencedRendering")]
         public IRenderingUsage QueryReferencedRendering()
         {
-            throw new NotImplementedException("Derived property ReferencedRendering not yet supported");
+            return this.ComputeReferencedRendering();
         }
 
         /// <summary>
@@ -359,9 +394,10 @@ public IRenderingUsage QueryReferencedRendering()
         /// Elements of the Relationship.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_132339_43177", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IRelationship.RelatedElement")]
         public List<IElement> QueryRelatedElement()
         {
-            throw new NotImplementedException("Derived property RelatedElement not yet supported");
+            return this.ComputeRelatedElement();
         }
 
         /// <summary>
@@ -371,9 +407,10 @@ public List<IElement> QueryRelatedElement()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -381,14 +418,18 @@ public string QueryShortName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674971_696758_43228", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MembershipOwningNamespace")] public List<IElement> Source { get; set; }
+        [RedefinedByProperty("IMembership.MembershipOwningNamespace")]
+        [Implements(implementation: "IRelationship.Source")]
+        public List<IElement> Source { get; set; }
 
         /// <summary>
         /// The relatedElements to which this Relationship is considered to be directed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674961_138197_43179", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_132339_43177")]
-        [RedefinedByProperty("IMembership.MemberElement")] public List<IElement> Target { get; set; }
+        [RedefinedByProperty("IMembership.MemberElement")]
+        [Implements(implementation: "IRelationship.Target")]
+        public List<IElement> Target { get; set; }
 
         /// <summary>
         /// The TextualRepresentations that annotate this Element.
@@ -396,9 +437,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -406,6 +448,7 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// visible outside that Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674964_42975_43193", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "public")]
+        [Implements(implementation: "IMembership.Visibility")]
         public VisibilityKind Visibility { get; set; }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ViewUsage.cs b/SysML2.NET/Core/AutoGenPoco/ViewUsage.cs
index 1855694e..87841e46 100644
--- a/SysML2.NET/Core/AutoGenPoco/ViewUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ViewUsage.cs
@@ -82,6 +82,7 @@ public partial class ViewUsage : IViewUsage
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -93,9 +94,10 @@ public partial class ViewUsage : IViewUsage
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -105,15 +107,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -123,6 +127,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -133,9 +138,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -148,9 +154,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -158,9 +165,10 @@ public List<IType> QueryDifferencingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -169,9 +177,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -179,6 +188,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -187,9 +197,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -197,6 +208,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -204,9 +216,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -216,9 +229,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -227,9 +241,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596648681658_691767_2705", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IViewUsage.ExposedElement")]
         public List<IElement> QueryExposedElement()
         {
-            throw new NotImplementedException("Derived property ExposedElement not yet supported");
+            return this.ComputeExposedElement();
         }
 
         /// <summary>
@@ -237,9 +252,10 @@ public List<IElement> QueryExposedElement()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -248,18 +264,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -269,9 +287,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -279,9 +298,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -289,9 +309,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -299,9 +320,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -310,9 +332,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -320,9 +343,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -335,9 +359,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -345,6 +370,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -353,15 +379,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -369,12 +397,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -388,6 +418,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -398,6 +429,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -405,21 +437,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -427,15 +462,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -447,12 +484,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -460,13 +499,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -476,9 +518,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565471361757_649736_20796", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IItemUsage.ItemDefinition")]
         public List<IStructure> QueryItemDefinition()
         {
-            throw new NotImplementedException("Derived property ItemDefinition not yet supported");
+            return this.ComputeItemDefinition();
         }
 
         /// <summary>
@@ -491,9 +534,10 @@ public List<IStructure> QueryItemDefinition()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -501,9 +545,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -511,9 +556,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -523,9 +569,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -535,9 +582,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -545,9 +593,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -555,9 +604,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -565,9 +615,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -575,9 +626,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -585,9 +637,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -595,9 +648,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -605,9 +659,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -617,9 +672,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -627,9 +683,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -637,9 +694,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -647,9 +705,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -657,9 +716,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -667,9 +727,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -677,9 +738,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -687,9 +749,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -697,9 +760,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -707,9 +771,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -717,9 +782,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -727,9 +793,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -737,9 +804,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -747,9 +815,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -757,9 +826,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -768,9 +838,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -778,9 +849,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -788,9 +860,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -798,9 +871,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -808,9 +882,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -820,9 +895,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -830,9 +906,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -842,9 +919,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -853,9 +931,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -864,9 +943,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -876,9 +956,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -888,9 +969,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -898,9 +980,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -909,9 +992,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -919,9 +1003,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -931,9 +1016,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -943,9 +1029,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -955,9 +1042,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -967,9 +1055,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -978,9 +1067,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -989,9 +1079,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1002,9 +1093,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1013,9 +1105,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1024,9 +1117,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1034,6 +1128,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1043,9 +1138,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1055,9 +1151,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1067,9 +1164,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1079,9 +1177,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1090,9 +1189,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1100,9 +1200,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1111,9 +1212,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1121,9 +1223,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1132,9 +1235,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1143,9 +1247,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1153,6 +1258,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1162,9 +1268,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1172,9 +1279,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1183,9 +1291,10 @@ public IUsage QueryOwningUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1591475180488_929065_121", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565471361757_649736_20796")]
         [RedefinedByProperty("IViewUsage.ViewDefinition")]
+        [Implements(implementation: "IPartUsage.PartDefinition")]
         public List<IPartDefinition> QueryPartDefinition()
         {
-            throw new NotImplementedException("Derived property PartDefinition not yet supported");
+            return this.ComputePartDefinition();
         }
 
         /// <summary>
@@ -1194,6 +1303,7 @@ public List<IPartDefinition> QueryPartDefinition()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1205,9 +1315,10 @@ public List<IPartDefinition> QueryPartDefinition()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1216,9 +1327,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596645688987_502277_1282", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IViewUsage.SatisfiedViewpoint")]
         public List<IViewpointUsage> QuerySatisfiedViewpoint()
         {
-            throw new NotImplementedException("Derived property SatisfiedViewpoint not yet supported");
+            return this.ComputeSatisfiedViewpoint();
         }
 
         /// <summary>
@@ -1228,9 +1340,10 @@ public List<IViewpointUsage> QuerySatisfiedViewpoint()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1239,9 +1352,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1252,9 +1366,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1265,9 +1380,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1275,9 +1391,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1286,9 +1403,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1297,9 +1415,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
         /// <summary>
@@ -1308,9 +1427,10 @@ public List<IVariantMembership> QueryVariantMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606938933668_437943_4809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IViewUsage.ViewCondition")]
         public List<IExpression> QueryViewCondition()
         {
-            throw new NotImplementedException("Derived property ViewCondition not yet supported");
+            return this.ComputeViewCondition();
         }
 
         /// <summary>
@@ -1318,9 +1438,10 @@ public List<IExpression> QueryViewCondition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644438889_580287_734", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591475180488_929065_121")]
+        [Implements(implementation: "IViewUsage.ViewDefinition")]
         public IViewDefinition QueryViewDefinition()
         {
-            throw new NotImplementedException("Derived property ViewDefinition not yet supported");
+            return this.ComputeViewDefinition();
         }
 
         /// <summary>
@@ -1328,9 +1449,10 @@ public IViewDefinition QueryViewDefinition()
         /// referencedRendering of the ViewRenderingMembership of the ViewUsage.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596657318021_274182_5067", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IViewUsage.ViewRendering")]
         public IRenderingUsage QueryViewRendering()
         {
-            throw new NotImplementedException("Derived property ViewRendering not yet supported");
+            return this.ComputeViewRendering();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ViewpointDefinition.cs b/SysML2.NET/Core/AutoGenPoco/ViewpointDefinition.cs
index d5e458f9..10e36977 100644
--- a/SysML2.NET/Core/AutoGenPoco/ViewpointDefinition.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ViewpointDefinition.cs
@@ -80,15 +80,17 @@ public partial class ViewpointDefinition : IViewpointDefinition
         [Property(xmiId: "_19_0_4_12e503d9_1621564041941_652319_2722", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IRequirementDefinition.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -98,15 +100,17 @@ public List<IPartUsage> QueryActorParameter()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376806647_629021_133", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementDefinition.AssumedConstraint")]
         public List<IConstraintUsage> QueryAssumedConstraint()
         {
-            throw new NotImplementedException("Derived property AssumedConstraint not yet supported");
+            return this.ComputeAssumedConstraint();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -116,7 +120,9 @@ public List<IConstraintUsage> QueryAssumedConstraint()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IRequirementDefinition.ReqId")] public string DeclaredShortName { get; set; }
+        [RedefinedByProperty("IRequirementDefinition.ReqId")]
+        [Implements(implementation: "IElement.DeclaredShortName")]
+        public string DeclaredShortName { get; set; }
 
         /// <summary>
         /// The interpretations of a Type with differencingTypes are asserted to be those of the first of those
@@ -128,9 +134,10 @@ public List<IConstraintUsage> QueryAssumedConstraint()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -139,9 +146,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IBehavior.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -150,9 +158,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1565495064714_974634_26150", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -161,9 +170,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -171,6 +181,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -178,9 +189,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -188,9 +200,10 @@ public List<IFeature> QueryEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948400639_301251_20841", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_b9102da_1536346067212_587255_17343")]
+        [Implements(implementation: "IFunction.Expression")]
         public List<IExpression> QueryExpression()
         {
-            throw new NotImplementedException("Derived property Expression not yet supported");
+            return this.ComputeExpression();
         }
 
         /// <summary>
@@ -198,9 +211,10 @@ public List<IExpression> QueryExpression()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -209,9 +223,10 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
@@ -220,9 +235,10 @@ public List<IFeatureMembership> QueryFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617116733499_587735_3242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583376932997_792124_158")]
+        [Implements(implementation: "IRequirementDefinition.FramedConcern")]
         public List<IConcernUsage> QueryFramedConcern()
         {
-            throw new NotImplementedException("Derived property FramedConcern not yet supported");
+            return this.ComputeFramedConcern();
         }
 
         /// <summary>
@@ -230,9 +246,10 @@ public List<IConcernUsage> QueryFramedConcern()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -240,9 +257,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -251,9 +269,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -261,9 +280,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -276,9 +296,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -286,15 +307,17 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -305,21 +328,24 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
         /// Whether this OccurrenceDefinition is constrained to represent at most one thing.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618955405499_394357_6740", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceDefinition.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -330,9 +356,10 @@ public bool QueryIsLibraryElement()
         /// model-level evaluable.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617395221463_139517_26381", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFunction.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
@@ -344,6 +371,7 @@ public bool QueryIsModelLevelEvaluable()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
@@ -351,6 +379,7 @@ public bool QueryIsModelLevelEvaluable()
         /// Definition must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978283180_265362_419", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IDefinition.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -358,9 +387,10 @@ public bool QueryIsModelLevelEvaluable()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -368,9 +398,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -380,9 +411,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -392,9 +424,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -402,9 +435,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -412,9 +446,10 @@ public List<IFeature> QueryOutput()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479011613_547927_1091", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedAction")]
         public List<IActionUsage> QueryOwnedAction()
         {
-            throw new NotImplementedException("Derived property OwnedAction not yet supported");
+            return this.ComputeOwnedAction();
         }
 
         /// <summary>
@@ -422,9 +457,10 @@ public List<IActionUsage> QueryOwnedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430819239_430196_1024", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedAllocation")]
         public List<IAllocationUsage> QueryOwnedAllocation()
         {
-            throw new NotImplementedException("Derived property OwnedAllocation not yet supported");
+            return this.ComputeOwnedAllocation();
         }
 
         /// <summary>
@@ -432,9 +468,10 @@ public List<IAllocationUsage> QueryOwnedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152747086_367030_3846", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property OwnedAnalysisCase not yet supported");
+            return this.ComputeOwnedAnalysisCase();
         }
 
         /// <summary>
@@ -444,9 +481,10 @@ public List<IAnalysisCaseUsage> QueryOwnedAnalysisCase()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -454,9 +492,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500614097_490259_4413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedAttribute")]
         public List<IAttributeUsage> QueryOwnedAttribute()
         {
-            throw new NotImplementedException("Derived property OwnedAttribute not yet supported");
+            return this.ComputeOwnedAttribute();
         }
 
         /// <summary>
@@ -464,9 +503,10 @@ public List<IAttributeUsage> QueryOwnedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215335104_898924_667", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedCalculation")]
         public List<ICalculationUsage> QueryOwnedCalculation()
         {
-            throw new NotImplementedException("Derived property OwnedCalculation not yet supported");
+            return this.ComputeOwnedCalculation();
         }
 
         /// <summary>
@@ -474,9 +514,10 @@ public List<ICalculationUsage> QueryOwnedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_59601fc_1590257108055_7496_483", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215335104_898924_667")]
+        [Implements(implementation: "IDefinition.OwnedCase")]
         public List<ICaseUsage> QueryOwnedCase()
         {
-            throw new NotImplementedException("Derived property OwnedCase not yet supported");
+            return this.ComputeOwnedCase();
         }
 
         /// <summary>
@@ -484,9 +525,10 @@ public List<ICaseUsage> QueryOwnedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051597354_928367_1357", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedConcern")]
         public List<IConcernUsage> QueryOwnedConcern()
         {
-            throw new NotImplementedException("Derived property OwnedConcern not yet supported");
+            return this.ComputeOwnedConcern();
         }
 
         /// <summary>
@@ -495,9 +537,10 @@ public List<IConcernUsage> QueryOwnedConcern()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -507,9 +550,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591480607506_951212_2333", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedConnection")]
         public List<IConnectorAsUsage> QueryOwnedConnection()
         {
-            throw new NotImplementedException("Derived property OwnedConnection not yet supported");
+            return this.ComputeOwnedConnection();
         }
 
         /// <summary>
@@ -517,9 +561,10 @@ public List<IConnectorAsUsage> QueryOwnedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578068081992_244000_1803", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedConstraint")]
         public List<IConstraintUsage> QueryOwnedConstraint()
         {
-            throw new NotImplementedException("Derived property OwnedConstraint not yet supported");
+            return this.ComputeOwnedConstraint();
         }
 
         /// <summary>
@@ -529,9 +574,10 @@ public List<IConstraintUsage> QueryOwnedConstraint()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -541,9 +587,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -551,9 +598,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -562,9 +610,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -572,9 +621,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946600508_763872_252", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500614097_490259_4413")]
+        [Implements(implementation: "IDefinition.OwnedEnumeration")]
         public List<IEnumerationUsage> QueryOwnedEnumeration()
         {
-            throw new NotImplementedException("Derived property OwnedEnumeration not yet supported");
+            return this.ComputeOwnedEnumeration();
         }
 
         /// <summary>
@@ -582,9 +632,10 @@ public List<IEnumerationUsage> QueryOwnedEnumeration()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -594,9 +645,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -604,9 +656,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624055201422_104863_1697", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedFlow")]
         public List<IFlowUsage> QueryOwnedFlow()
         {
-            throw new NotImplementedException("Derived property OwnedFlow not yet supported");
+            return this.ComputeOwnedFlow();
         }
 
         /// <summary>
@@ -616,9 +669,10 @@ public List<IFlowUsage> QueryOwnedFlow()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -626,9 +680,10 @@ public List<IImport> QueryOwnedImport()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498709150_220812_4128", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591480607506_951212_2333")]
+        [Implements(implementation: "IDefinition.OwnedInterface")]
         public List<IInterfaceUsage> QueryOwnedInterface()
         {
-            throw new NotImplementedException("Derived property OwnedInterface not yet supported");
+            return this.ComputeOwnedInterface();
         }
 
         /// <summary>
@@ -637,9 +692,10 @@ public List<IInterfaceUsage> QueryOwnedInterface()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -647,9 +703,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482567975_649284_3005", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943849505_989631_257")]
+        [Implements(implementation: "IDefinition.OwnedItem")]
         public List<IItemUsage> QueryOwnedItem()
         {
-            throw new NotImplementedException("Derived property OwnedItem not yet supported");
+            return this.ComputeOwnedItem();
         }
 
         /// <summary>
@@ -658,9 +715,10 @@ public List<IItemUsage> QueryOwnedItem()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -671,9 +729,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -681,9 +740,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488358064_457109_2881", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedMetadata")]
         public List<IMetadataUsage> QueryOwnedMetadata()
         {
-            throw new NotImplementedException("Derived property OwnedMetadata not yet supported");
+            return this.ComputeOwnedMetadata();
         }
 
         /// <summary>
@@ -691,9 +751,10 @@ public List<IMetadataUsage> QueryOwnedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943849505_989631_257", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedOccurrence")]
         public List<IOccurrenceUsage> QueryOwnedOccurrence()
         {
-            throw new NotImplementedException("Derived property OwnedOccurrence not yet supported");
+            return this.ComputeOwnedOccurrence();
         }
 
         /// <summary>
@@ -701,9 +762,10 @@ public List<IOccurrenceUsage> QueryOwnedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496643392_630316_3279", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482567975_649284_3005")]
+        [Implements(implementation: "IDefinition.OwnedPart")]
         public List<IPartUsage> QueryOwnedPart()
         {
-            throw new NotImplementedException("Derived property OwnedPart not yet supported");
+            return this.ComputeOwnedPart();
         }
 
         /// <summary>
@@ -711,9 +773,10 @@ public List<IPartUsage> QueryOwnedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494319970_455996_25799", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedPort")]
         public List<IPortUsage> QueryOwnedPort()
         {
-            throw new NotImplementedException("Derived property OwnedPort not yet supported");
+            return this.ComputeOwnedPort();
         }
 
         /// <summary>
@@ -721,9 +784,10 @@ public List<IPortUsage> QueryOwnedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477471991_39731_908", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedReference")]
         public List<IReferenceUsage> QueryOwnedReference()
         {
-            throw new NotImplementedException("Derived property OwnedReference not yet supported");
+            return this.ComputeOwnedReference();
         }
 
         /// <summary>
@@ -731,6 +795,7 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -738,9 +803,10 @@ public List<IReferenceUsage> QueryOwnedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741437225_963350_6474", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedRendering")]
         public List<IRenderingUsage> QueryOwnedRendering()
         {
-            throw new NotImplementedException("Derived property OwnedRendering not yet supported");
+            return this.ComputeOwnedRendering();
         }
 
         /// <summary>
@@ -748,9 +814,10 @@ public List<IRenderingUsage> QueryOwnedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000559760_444344_1273", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578068081992_244000_1803")]
+        [Implements(implementation: "IDefinition.OwnedRequirement")]
         public List<IRequirementUsage> QueryOwnedRequirement()
         {
-            throw new NotImplementedException("Derived property OwnedRequirement not yet supported");
+            return this.ComputeOwnedRequirement();
         }
 
         /// <summary>
@@ -760,9 +827,10 @@ public List<IRequirementUsage> QueryOwnedRequirement()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -770,9 +838,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587977045_745776_941", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479011613_547927_1091")]
+        [Implements(implementation: "IDefinition.OwnedState")]
         public List<IStateUsage> QueryOwnedState()
         {
-            throw new NotImplementedException("Derived property OwnedState not yet supported");
+            return this.ComputeOwnedState();
         }
 
         /// <summary>
@@ -781,9 +850,10 @@ public List<IStateUsage> QueryOwnedState()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543189170643_419862_25507", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
+        [Implements(implementation: "IClassifier.OwnedSubclassification")]
         public List<ISubclassification> QueryOwnedSubclassification()
         {
-            throw new NotImplementedException("Derived property OwnedSubclassification not yet supported");
+            return this.ComputeOwnedSubclassification();
         }
 
         /// <summary>
@@ -791,9 +861,10 @@ public List<ISubclassification> QueryOwnedSubclassification()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578598061680_350995_3923", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565479686637_967933_23236")]
+        [Implements(implementation: "IDefinition.OwnedTransition")]
         public List<ITransitionUsage> QueryOwnedTransition()
         {
-            throw new NotImplementedException("Derived property OwnedTransition not yet supported");
+            return this.ComputeOwnedTransition();
         }
 
         /// <summary>
@@ -802,9 +873,10 @@ public List<ITransitionUsage> QueryOwnedTransition()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -813,9 +885,10 @@ public List<IUnioning> QueryOwnedUnioning()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686637_967933_23236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IDefinition.OwnedUsage")]
         public List<IUsage> QueryOwnedUsage()
         {
-            throw new NotImplementedException("Derived property OwnedUsage not yet supported");
+            return this.ComputeOwnedUsage();
         }
 
         /// <summary>
@@ -823,9 +896,10 @@ public List<IUsage> QueryOwnedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621461106608_978605_945", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedUseCase")]
         public List<IUseCaseUsage> QueryOwnedUseCase()
         {
-            throw new NotImplementedException("Derived property OwnedUseCase not yet supported");
+            return this.ComputeOwnedUseCase();
         }
 
         /// <summary>
@@ -833,9 +907,10 @@ public List<IUseCaseUsage> QueryOwnedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821523387_872104_10416", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_59601fc_1590257108055_7496_483")]
+        [Implements(implementation: "IDefinition.OwnedVerificationCase")]
         public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         {
-            throw new NotImplementedException("Derived property OwnedVerificationCase not yet supported");
+            return this.ComputeOwnedVerificationCase();
         }
 
         /// <summary>
@@ -843,9 +918,10 @@ public List<IVerificationCaseUsage> QueryOwnedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644570381_840567_784", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496643392_630316_3279")]
+        [Implements(implementation: "IDefinition.OwnedView")]
         public List<IViewUsage> QueryOwnedView()
         {
-            throw new NotImplementedException("Derived property OwnedView not yet supported");
+            return this.ComputeOwnedView();
         }
 
         /// <summary>
@@ -853,9 +929,10 @@ public List<IViewUsage> QueryOwnedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649828408_673531_3683", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000559760_444344_1273")]
+        [Implements(implementation: "IDefinition.OwnedViewpoint")]
         public List<IViewpointUsage> QueryOwnedViewpoint()
         {
-            throw new NotImplementedException("Derived property OwnedViewpoint not yet supported");
+            return this.ComputeOwnedViewpoint();
         }
 
         /// <summary>
@@ -863,9 +940,10 @@ public List<IViewpointUsage> QueryOwnedViewpoint()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -874,9 +952,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -885,9 +964,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -895,6 +975,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -903,9 +984,10 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543948010065_362066_20413", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IBehavior.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -917,9 +999,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -929,6 +1012,7 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376411386_270321_92", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1594160442439_915308_4153")]
+        [Implements(implementation: "IRequirementDefinition.ReqId")]
         public string ReqId { get; set; }
 
         /// <summary>
@@ -938,9 +1022,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376932997_792124_158", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementDefinition.RequiredConstraint")]
         public List<IConstraintUsage> QueryRequiredConstraint()
         {
-            throw new NotImplementedException("Derived property RequiredConstraint not yet supported");
+            return this.ComputeRequiredConstraint();
         }
 
         /// <summary>
@@ -949,9 +1034,10 @@ public List<IConstraintUsage> QueryRequiredConstraint()
         [Property(xmiId: "_18_5_3_12e503d9_1543948912268_88159_21323", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
+        [Implements(implementation: "IFunction.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -961,9 +1047,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -972,9 +1059,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_4_12e503d9_1624033010374_29375_40166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IRequirementDefinition.StakeholderParameter")]
         public List<IPartUsage> QueryStakeholderParameter()
         {
-            throw new NotImplementedException("Derived property StakeholderParameter not yet supported");
+            return this.ComputeStakeholderParameter();
         }
 
         /// <summary>
@@ -982,9 +1070,10 @@ public List<IPartUsage> QueryStakeholderParameter()
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1536346067212_587255_17343", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IBehavior.Step")]
         public List<IStep> QueryStep()
         {
-            throw new NotImplementedException("Derived property Step not yet supported");
+            return this.ComputeStep();
         }
 
         /// <summary>
@@ -993,9 +1082,10 @@ public List<IStep> QueryStep()
         [Property(xmiId: "_19_0_2_12e503d9_1595189007408_784255_586", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543948010065_362066_20413")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_48981_27786")]
+        [Implements(implementation: "IRequirementDefinition.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -1003,9 +1093,10 @@ public IUsage QuerySubjectParameter()
         /// from the bodies of the documentation of the RequirementDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376433122_189839_94", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IRequirementDefinition.Text")]
         public List<string> QueryText()
         {
-            throw new NotImplementedException("Derived property Text not yet supported");
+            return this.ComputeText();
         }
 
         /// <summary>
@@ -1014,9 +1105,10 @@ public List<string> QueryText()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1027,9 +1119,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1037,9 +1130,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565498571495_48981_27786", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IDefinition.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1048,9 +1142,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979457191_746167_951", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IDefinition.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1060,9 +1155,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979005861_503124_894", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IDefinition.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
         /// <summary>
@@ -1071,9 +1167,10 @@ public List<IVariantMembership> QueryVariantMembership()
         /// ViewpointDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617117194003_518610_3310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IViewpointDefinition.ViewpointStakeholder")]
         public List<IPartUsage> QueryViewpointStakeholder()
         {
-            throw new NotImplementedException("Derived property ViewpointStakeholder not yet supported");
+            return this.ComputeViewpointStakeholder();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/ViewpointUsage.cs b/SysML2.NET/Core/AutoGenPoco/ViewpointUsage.cs
index 2081ec58..839f81c3 100644
--- a/SysML2.NET/Core/AutoGenPoco/ViewpointUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/ViewpointUsage.cs
@@ -82,15 +82,17 @@ public partial class ViewpointUsage : IViewpointUsage
         [Property(xmiId: "_19_0_4_12e503d9_1621564075474_350859_2735", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IRequirementUsage.ActorParameter")]
         public List<IPartUsage> QueryActorParameter()
         {
-            throw new NotImplementedException("Derived property ActorParameter not yet supported");
+            return this.ComputeActorParameter();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -100,9 +102,10 @@ public List<IPartUsage> QueryActorParameter()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583377612865_991722_535", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementUsage.AssumedConstraint")]
         public List<IConstraintUsage> QueryAssumedConstraint()
         {
-            throw new NotImplementedException("Derived property AssumedConstraint not yet supported");
+            return this.ComputeAssumedConstraint();
         }
 
         /// <summary>
@@ -111,9 +114,10 @@ public List<IConstraintUsage> QueryAssumedConstraint()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IExpression.Function")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -125,9 +129,10 @@ public List<IBehavior> QueryBehavior()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -138,9 +143,10 @@ public List<IFeature> QueryChainingFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1578067546711_751168_1745", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1578025035149_386_969")]
         [RedefinedByProperty("IRequirementUsage.RequirementDefinition")]
+        [Implements(implementation: "IConstraintUsage.ConstraintDefinition")]
         public IPredicate QueryConstraintDefinition()
         {
-            throw new NotImplementedException("Derived property ConstraintDefinition not yet supported");
+            return this.ComputeConstraintDefinition();
         }
 
         /// <summary>
@@ -150,15 +156,17 @@ public IPredicate QueryConstraintDefinition()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -168,7 +176,9 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
-        [RedefinedByProperty("IRequirementUsage.ReqId")] public string DeclaredShortName { get; set; }
+        [RedefinedByProperty("IRequirementUsage.ReqId")]
+        [Implements(implementation: "IElement.DeclaredShortName")]
+        public string DeclaredShortName { get; set; }
 
         /// <summary>
         /// The Classifiers that are the types of this Usage. Nominally, these are Definitions, but other kinds
@@ -178,9 +188,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -193,9 +204,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -204,9 +216,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -215,9 +228,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -225,6 +239,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -233,9 +248,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -243,6 +259,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -250,9 +267,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -262,9 +280,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -272,9 +291,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -283,18 +303,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -304,9 +326,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -315,9 +338,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617116922864_514612_3264", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583377448339_252740_390")]
+        [Implements(implementation: "IRequirementUsage.FramedConcern")]
         public List<IConcernUsage> QueryFramedConcern()
         {
-            throw new NotImplementedException("Derived property FramedConcern not yet supported");
+            return this.ComputeFramedConcern();
         }
 
         /// <summary>
@@ -326,9 +350,10 @@ public List<IConcernUsage> QueryFramedConcern()
         [Property(xmiId: "_18_5_3_12e503d9_1543948477241_299049_20934", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedByProperty("IBooleanExpression.Predicate")]
+        [Implements(implementation: "IExpression.Function")]
         public IFunction QueryFunction()
         {
-            throw new NotImplementedException("Derived property Function not yet supported");
+            return this.ComputeFunction();
         }
 
         /// <summary>
@@ -336,9 +361,10 @@ public IFunction QueryFunction()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -346,9 +372,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -356,9 +383,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -367,9 +395,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -377,9 +406,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -392,9 +422,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -402,6 +433,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -410,15 +442,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -426,12 +460,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -445,6 +481,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -455,6 +492,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -462,15 +500,17 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
@@ -478,15 +518,17 @@ public bool QueryIsLibraryElement()
         /// using metadata within the model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1609957047704_424471_48", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IExpression.IsModelLevelEvaluable")]
         public bool QueryIsModelLevelEvaluable()
         {
-            throw new NotImplementedException("Derived property IsModelLevelEvaluable not yet supported");
+            return this.ComputeIsModelLevelEvaluable();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -494,15 +536,17 @@ public bool QueryIsModelLevelEvaluable()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -514,12 +558,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -527,13 +573,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -546,9 +595,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -556,9 +606,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -566,9 +617,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -578,9 +630,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -590,9 +643,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -600,9 +654,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -610,9 +665,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -620,9 +676,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -630,9 +687,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -640,9 +698,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -650,9 +709,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -660,9 +720,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -672,9 +733,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -682,9 +744,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -692,9 +755,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -702,9 +766,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -712,9 +777,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -722,9 +788,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -732,9 +799,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -742,9 +810,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -752,9 +821,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -762,9 +832,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -772,9 +843,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -782,9 +854,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -792,9 +865,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -802,9 +876,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -812,9 +887,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -823,9 +899,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -833,9 +910,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -843,9 +921,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -853,9 +932,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -863,9 +943,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -875,9 +956,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -885,9 +967,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -897,9 +980,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -908,9 +992,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -919,9 +1004,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -931,9 +1017,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -943,9 +1030,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -953,9 +1041,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -964,9 +1053,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -974,9 +1064,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -986,9 +1077,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -998,9 +1090,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -1010,9 +1103,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -1022,9 +1116,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -1033,9 +1128,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1044,9 +1140,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1057,9 +1154,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1068,9 +1166,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1079,9 +1178,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1089,6 +1189,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1098,9 +1199,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1110,9 +1212,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1122,9 +1225,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1134,9 +1238,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1145,9 +1250,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1155,9 +1261,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1166,9 +1273,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1176,9 +1284,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1187,9 +1296,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1198,9 +1308,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1208,6 +1319,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1217,9 +1329,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1227,9 +1340,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1238,9 +1352,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1249,6 +1364,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1257,9 +1373,10 @@ public List<IFeature> QueryParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1578025035149_386_969", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1543948477241_299049_20934")]
         [RedefinedByProperty("IConstraintUsage.ConstraintDefinition")]
+        [Implements(implementation: "IBooleanExpression.Predicate")]
         public IPredicate QueryPredicate()
         {
-            throw new NotImplementedException("Derived property Predicate not yet supported");
+            return this.ComputePredicate();
         }
 
         /// <summary>
@@ -1271,9 +1388,10 @@ public IPredicate QueryPredicate()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1283,6 +1401,7 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376474630_975784_96", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1594160442439_915308_4153")]
+        [Implements(implementation: "IRequirementUsage.ReqId")]
         public string ReqId { get; set; }
 
         /// <summary>
@@ -1292,9 +1411,10 @@ public string QueryQualifiedName()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583377448339_252740_390", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IRequirementUsage.RequiredConstraint")]
         public List<IConstraintUsage> QueryRequiredConstraint()
         {
-            throw new NotImplementedException("Derived property RequiredConstraint not yet supported");
+            return this.ComputeRequiredConstraint();
         }
 
         /// <summary>
@@ -1303,9 +1423,10 @@ public List<IConstraintUsage> QueryRequiredConstraint()
         [Property(xmiId: "_19_0_2_12e503d9_1583000408905_769743_1223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1578067546711_751168_1745")]
         [RedefinedByProperty("IViewpointUsage.ViewpointDefinition")]
+        [Implements(implementation: "IRequirementUsage.RequirementDefinition")]
         public IRequirementDefinition QueryRequirementDefinition()
         {
-            throw new NotImplementedException("Derived property RequirementDefinition not yet supported");
+            return this.ComputeRequirementDefinition();
         }
 
         /// <summary>
@@ -1316,9 +1437,10 @@ public IRequirementDefinition QueryRequirementDefinition()
         [Property(xmiId: "_19_0_2_12e503d9_1595188071574_902060_363", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674960_365618_43170")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
+        [Implements(implementation: "IExpression.Result")]
         public IFeature QueryResult()
         {
-            throw new NotImplementedException("Derived property Result not yet supported");
+            return this.ComputeResult();
         }
 
         /// <summary>
@@ -1328,9 +1450,10 @@ public IFeature QueryResult()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1339,9 +1462,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_4_12e503d9_1624032823963_328647_40107", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IRequirementUsage.StakeholderParameter")]
         public List<IPartUsage> QueryStakeholderParameter()
         {
-            throw new NotImplementedException("Derived property StakeholderParameter not yet supported");
+            return this.ComputeStakeholderParameter();
         }
 
         /// <summary>
@@ -1350,9 +1474,10 @@ public List<IPartUsage> QueryStakeholderParameter()
         [Property(xmiId: "_19_0_2_12e503d9_1595189397261_941898_844", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1595189174990_213826_657")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IRequirementUsage.SubjectParameter")]
         public IUsage QuerySubjectParameter()
         {
-            throw new NotImplementedException("Derived property SubjectParameter not yet supported");
+            return this.ComputeSubjectParameter();
         }
 
         /// <summary>
@@ -1360,9 +1485,10 @@ public IUsage QuerySubjectParameter()
         /// the bodies of the documentation of the RequirementUsage.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583376480942_745679_99", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IRequirementUsage.Text")]
         public List<string> QueryText()
         {
-            throw new NotImplementedException("Derived property Text not yet supported");
+            return this.ComputeText();
         }
 
         /// <summary>
@@ -1371,9 +1497,10 @@ public List<string> QueryText()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1384,9 +1511,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1397,9 +1525,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1407,9 +1536,10 @@ public List<IType> QueryUnioningType()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1418,9 +1548,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1429,9 +1560,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
         /// <summary>
@@ -1439,9 +1571,10 @@ public List<IVariantMembership> QueryVariantMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649684798_569222_3524", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1583000408905_769743_1223")]
+        [Implements(implementation: "IViewpointUsage.ViewpointDefinition")]
         public IViewpointDefinition QueryViewpointDefinition()
         {
-            throw new NotImplementedException("Derived property ViewpointDefinition not yet supported");
+            return this.ComputeViewpointDefinition();
         }
 
         /// <summary>
@@ -1449,9 +1582,10 @@ public IViewpointDefinition QueryViewpointDefinition()
         /// the owned and inherited stakeholderParameters of the framedConcerns of this ViewpointUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617117200628_940407_3323", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IViewpointUsage.ViewpointStakeholder")]
         public List<IPartUsage> QueryViewpointStakeholder()
         {
-            throw new NotImplementedException("Derived property ViewpointStakeholder not yet supported");
+            return this.ComputeViewpointStakeholder();
         }
 
     }
diff --git a/SysML2.NET/Core/AutoGenPoco/WhileLoopActionUsage.cs b/SysML2.NET/Core/AutoGenPoco/WhileLoopActionUsage.cs
index 04bc2445..9fe95e8d 100644
--- a/SysML2.NET/Core/AutoGenPoco/WhileLoopActionUsage.cs
+++ b/SysML2.NET/Core/AutoGenPoco/WhileLoopActionUsage.cs
@@ -88,15 +88,17 @@ public partial class WhileLoopActionUsage : IWhileLoopActionUsage
         [Property(xmiId: "_18_5_3_12e503d9_1565500905804_589845_30779", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_b9102da_1536346315176_954314_17388")]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IActionUsage.ActionDefinition")]
         public List<IBehavior> QueryActionDefinition()
         {
-            throw new NotImplementedException("Derived property ActionDefinition not yet supported");
+            return this.ComputeActionDefinition();
         }
 
         /// <summary>
         /// Various alternative identifiers for this Element. Generally, these will be set by tools.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594312532679_496267_4310", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.AliasIds")]
         public List<string> AliasIds { get; set; }
 
         /// <summary>
@@ -105,9 +107,10 @@ public List<IBehavior> QueryActionDefinition()
         [Property(xmiId: "_18_5_3_b9102da_1536346315176_954314_17388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IStep.Behavior")]
         public List<IBehavior> QueryBehavior()
         {
-            throw new NotImplementedException("Derived property Behavior not yet supported");
+            return this.ComputeBehavior();
         }
 
         /// <summary>
@@ -115,9 +118,10 @@ public List<IBehavior> QueryBehavior()
         /// LoopActionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624203902575_509097_3869", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "ILoopActionUsage.BodyAction")]
         public IActionUsage QueryBodyAction()
         {
-            throw new NotImplementedException("Derived property BodyAction not yet supported");
+            return this.ComputeBodyAction();
         }
 
         /// <summary>
@@ -129,9 +133,10 @@ public IActionUsage QueryBodyAction()
         /// Feature in chainingFeatures, and so on, to values of the last Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1619792219511_543311_445", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: false, defaultValue: null)]
+        [Implements(implementation: "IFeature.ChainingFeature")]
         public List<IFeature> QueryChainingFeature()
         {
-            throw new NotImplementedException("Derived property ChainingFeature not yet supported");
+            return this.ComputeChainingFeature();
         }
 
         /// <summary>
@@ -141,15 +146,17 @@ public List<IFeature> QueryChainingFeature()
         /// owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616227528_355910_218", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.CrossFeature")]
         public IFeature QueryCrossFeature()
         {
-            throw new NotImplementedException("Derived property CrossFeature not yet supported");
+            return this.ComputeCrossFeature();
         }
 
         /// <summary>
         /// The declared name of this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674987_737648_43307", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredName")]
         public string DeclaredName { get; set; }
 
         /// <summary>
@@ -159,6 +166,7 @@ public IFeature QueryCrossFeature()
         /// model or relative to some other context.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1594160442439_915308_4153", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.DeclaredShortName")]
         public string DeclaredShortName { get; set; }
 
         /// <summary>
@@ -169,9 +177,10 @@ public IFeature QueryCrossFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591477641252_179221_958", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_18_5_3_12e503d9_1533160674969_376003_43216")]
         [RedefinedByProperty("IOccurrenceUsage.OccurrenceDefinition")]
+        [Implements(implementation: "IUsage.Definition")]
         public List<IClassifier> QueryDefinition()
         {
-            throw new NotImplementedException("Derived property Definition not yet supported");
+            return this.ComputeDefinition();
         }
 
         /// <summary>
@@ -184,9 +193,10 @@ public List<IClassifier> QueryDefinition()
         /// those of that sex are also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661975883472_645501_1372", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.DifferencingType")]
         public List<IType> QueryDifferencingType()
         {
-            throw new NotImplementedException("Derived property DifferencingType not yet supported");
+            return this.ComputeDifferencingType();
         }
 
         /// <summary>
@@ -195,9 +205,10 @@ public List<IType> QueryDifferencingType()
         [Property(xmiId: "_19_0_4_12e503d9_1623952188842_882068_37169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
         [RedefinedByProperty("IStep.Parameter")]
+        [Implements(implementation: "IType.DirectedFeature")]
         public List<IFeature> QueryDirectedFeature()
         {
-            throw new NotImplementedException("Derived property DirectedFeature not yet supported");
+            return this.ComputeDirectedFeature();
         }
 
         /// <summary>
@@ -206,9 +217,10 @@ public List<IFeature> QueryDirectedFeature()
         [Property(xmiId: "_19_0_2_12e503d9_1591217699198_66279_508", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.DirectedUsage")]
         public List<IUsage> QueryDirectedUsage()
         {
-            throw new NotImplementedException("Derived property DirectedUsage not yet supported");
+            return this.ComputeDirectedUsage();
         }
 
         /// <summary>
@@ -216,6 +228,7 @@ public List<IUsage> QueryDirectedUsage()
         /// FeatureDirectionKind).
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674994_447677_43347", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.Direction")]
         public FeatureDirectionKind Direction { get; set; }
 
         /// <summary>
@@ -224,9 +237,10 @@ public List<IUsage> QueryDirectedUsage()
         [Property(xmiId: "_19_0_2_12e503d9_1594150061166_345630_1621", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.Documentation")]
         public List<IDocumentation> QueryDocumentation()
         {
-            throw new NotImplementedException("Derived property Documentation not yet supported");
+            return this.ComputeDocumentation();
         }
 
         /// <summary>
@@ -234,6 +248,7 @@ public List<IDocumentation> QueryDocumentation()
         /// not change during the lifetime of the Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_844338_43305", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ElementId")]
         public string ElementId { get; set; }
 
         /// <summary>
@@ -241,9 +256,10 @@ public List<IDocumentation> QueryDocumentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562476168385_824569_22106", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.EndFeature")]
         public List<IFeature> QueryEndFeature()
         {
-            throw new NotImplementedException("Derived property EndFeature not yet supported");
+            return this.ComputeEndFeature();
         }
 
         /// <summary>
@@ -253,9 +269,10 @@ public List<IFeature> QueryEndFeature()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516279_920295_20653", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168386_366266_22107")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IFeature.EndOwningType")]
         public IType QueryEndOwningType()
         {
-            throw new NotImplementedException("Derived property EndOwningType not yet supported");
+            return this.ComputeEndOwningType();
         }
 
         /// <summary>
@@ -263,9 +280,10 @@ public IType QueryEndOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_326391_43166", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "IType.Feature")]
         public List<IFeature> QueryFeature()
         {
-            throw new NotImplementedException("Derived property Feature not yet supported");
+            return this.ComputeFeature();
         }
 
         /// <summary>
@@ -274,18 +292,20 @@ public List<IFeature> QueryFeature()
         /// importedMemberships).
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1651076866512_962346_485", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.FeatureMembership")]
         public List<IFeatureMembership> QueryFeatureMembership()
         {
-            throw new NotImplementedException("Derived property FeatureMembership not yet supported");
+            return this.ComputeFeatureMembership();
         }
 
         /// <summary>
         /// The last of the chainingFeatures of this Feature, if it has any. Otherwise, this Feature itself.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1715790852907_110671_19", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeatureTarget")]
         public IFeature QueryFeatureTarget()
         {
-            throw new NotImplementedException("Derived property FeatureTarget not yet supported");
+            return this.ComputeFeatureTarget();
         }
 
         /// <summary>
@@ -295,9 +315,10 @@ public IFeature QueryFeatureTarget()
         /// featuringTypes of the chained Feature.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1603905619975_304385_743", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IFeature.FeaturingType")]
         public List<IType> QueryFeaturingType()
         {
-            throw new NotImplementedException("Derived property FeaturingType not yet supported");
+            return this.ComputeFeaturingType();
         }
 
         /// <summary>
@@ -305,9 +326,10 @@ public List<IType> QueryFeaturingType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_207869_43270", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "INamespace.ImportedMembership")]
         public List<IMembership> QueryImportedMembership()
         {
-            throw new NotImplementedException("Derived property ImportedMembership not yet supported");
+            return this.ComputeImportedMembership();
         }
 
         /// <summary>
@@ -315,9 +337,10 @@ public List<IMembership> QueryImportedMembership()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618958878775_52798_7090", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943843466_158863_236")]
+        [Implements(implementation: "IOccurrenceUsage.IndividualDefinition")]
         public IOccurrenceDefinition QueryIndividualDefinition()
         {
-            throw new NotImplementedException("Derived property IndividualDefinition not yet supported");
+            return this.ComputeIndividualDefinition();
         }
 
         /// <summary>
@@ -325,9 +348,10 @@ public IOccurrenceDefinition QueryIndividualDefinition()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575499020770_15576_2334", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IType.InheritedFeature")]
         public List<IFeature> QueryInheritedFeature()
         {
-            throw new NotImplementedException("Derived property InheritedFeature not yet supported");
+            return this.ComputeInheritedFeature();
         }
 
         /// <summary>
@@ -336,9 +360,10 @@ public List<IFeature> QueryInheritedFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1551972927538_787976_19004", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
+        [Implements(implementation: "IType.InheritedMembership")]
         public List<IMembership> QueryInheritedMembership()
         {
-            throw new NotImplementedException("Derived property InheritedMembership not yet supported");
+            return this.ComputeInheritedMembership();
         }
 
         /// <summary>
@@ -346,9 +371,10 @@ public List<IMembership> QueryInheritedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_37384_43169", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Input")]
         public List<IFeature> QueryInput()
         {
-            throw new NotImplementedException("Derived property Input not yet supported");
+            return this.ComputeInput();
         }
 
         /// <summary>
@@ -361,9 +387,10 @@ public List<IFeature> QueryInput()
         /// also interpretations of the Classifier for that sex).
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661973922199_584242_1045", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IntersectingType")]
         public List<IType> QueryIntersectingType()
         {
-            throw new NotImplementedException("Derived property IntersectingType not yet supported");
+            return this.ComputeIntersectingType();
         }
 
         /// <summary>
@@ -371,6 +398,7 @@ public List<IType> QueryIntersectingType()
         /// Types.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_741353_43165", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsAbstract")]
         public bool IsAbstract { get; set; }
 
         /// <summary>
@@ -379,15 +407,17 @@ public List<IType> QueryIntersectingType()
         /// feature that is not on the same featuring instance.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_331870_43224", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsComposite")]
         public bool IsComposite { get; set; }
 
         /// <summary>
         /// Indicates whether this Type has an ownedConjugator.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575485930816_796088_1933", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.IsConjugated")]
         public bool QueryIsConjugated()
         {
-            throw new NotImplementedException("Derived property IsConjugated not yet supported");
+            return this.ComputeIsConjugated();
         }
 
         /// <summary>
@@ -395,12 +425,14 @@ public bool QueryIsConjugated()
         /// snapshots of its owningType.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674993_300560_43342", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsConstant")]
         public bool IsConstant { get; set; }
 
         /// <summary>
         /// Whether the values of this Feature can always be computed from the values of other Features.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674992_500504_43341", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsDerived")]
         public bool IsDerived { get; set; }
 
         /// <summary>
@@ -414,6 +446,7 @@ public bool QueryIsConjugated()
         /// fixed.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1562475749426_705395_21984", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsEnd")]
         public bool IsEnd { get; set; }
 
         /// <summary>
@@ -424,6 +457,7 @@ public bool QueryIsConjugated()
         /// all required implied Relationships must be included, or none of them.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1662070949317_79713_3658", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IElement.IsImpliedIncluded")]
         public bool IsImpliedIncluded { get; set; }
 
         /// <summary>
@@ -431,21 +465,24 @@ public bool QueryIsConjugated()
         /// individualDefinition.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959865886_548379_7149", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IOccurrenceUsage.IsIndividual")]
         public bool IsIndividual { get; set; }
 
         /// <summary>
         /// Whether this Element is contained in the ownership tree of a library model.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1665443500960_5561_723", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.IsLibraryElement")]
         public bool QueryIsLibraryElement()
         {
-            throw new NotImplementedException("Derived property IsLibraryElement not yet supported");
+            return this.ComputeIsLibraryElement();
         }
 
         /// <summary>
         /// Whether an order exists for the values of this Feature or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_728225_43215", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsOrdered")]
         public bool IsOrdered { get; set; }
 
         /// <summary>
@@ -453,15 +490,17 @@ public bool QueryIsLibraryElement()
         /// the Feature and represent the same thing as those instances.
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1559231981638_234817_22063", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IFeature.IsPortion")]
         public bool IsPortion { get; set; }
 
         /// <summary>
         /// Whether this Usage is a referential Usage, that is, it has isComposite = false.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624035114787_488767_41423", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsReference")]
         public bool QueryIsReference()
         {
-            throw new NotImplementedException("Derived property IsReference not yet supported");
+            return this.ComputeIsReference();
         }
 
         /// <summary>
@@ -473,12 +512,14 @@ public bool QueryIsReference()
         /// classify all four-wheeled things.)
         /// </summary>
         [Property(xmiId: "_18_5_3_b9102da_1564072709069_937523_30797", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
+        [Implements(implementation: "IType.IsSufficient")]
         public bool IsSufficient { get; set; }
 
         /// <summary>
         /// Whether or not values for this Feature must have no duplicates or not.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674968_321342_43214", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "true")]
+        [Implements(implementation: "IFeature.IsUnique")]
         public bool IsUnique { get; set; }
 
         /// <summary>
@@ -486,13 +527,16 @@ public bool QueryIsReference()
         /// different value for each snapshot of an owningType that is an Occurrence.
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1725998273002_23711_212", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: "false")]
-        [RedefinedByProperty("IUsage.MayTimeVary")] public bool IsVariable { get; set; }
+        [RedefinedByProperty("IUsage.MayTimeVary")]
+        [Implements(implementation: "IFeature.IsVariable")]
+        public bool IsVariable { get; set; }
 
         /// <summary>
         /// Whether this Usage is for a variation point or not. If true, then all the memberships of the Usage
         /// must be VariantMemberships.
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590978312364_290951_421", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IUsage.IsVariation")]
         public bool IsVariation { get; set; }
 
         /// <summary>
@@ -505,9 +549,10 @@ public bool QueryIsReference()
         /// </summary>
         [Property(xmiId: "_2022x_2_12e503d9_1737227200362_771035_69", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_2022x_2_12e503d9_1725998273002_23711_212")]
+        [Implements(implementation: "IUsage.MayTimeVary")]
         public bool QueryMayTimeVary()
         {
-            throw new NotImplementedException("Derived property MayTimeVary not yet supported");
+            return this.ComputeMayTimeVary();
         }
 
         /// <summary>
@@ -515,9 +560,10 @@ public bool QueryMayTimeVary()
         /// the Namespace.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_644335_43267", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Member")]
         public List<IElement> QueryMember()
         {
-            throw new NotImplementedException("Derived property Member not yet supported");
+            return this.ComputeMember();
         }
 
         /// <summary>
@@ -525,9 +571,10 @@ public List<IElement> QueryMember()
         /// importedMemberships.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674962_198288_43183", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: true, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "INamespace.Membership")]
         public List<IMembership> QueryMembership()
         {
-            throw new NotImplementedException("Derived property Membership not yet supported");
+            return this.ComputeMembership();
         }
 
         /// <summary>
@@ -537,9 +584,10 @@ public List<IMembership> QueryMembership()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1573095852093_324833_5396", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.Multiplicity")]
         public IMultiplicity QueryMultiplicity()
         {
-            throw new NotImplementedException("Derived property Multiplicity not yet supported");
+            return this.ComputeMultiplicity();
         }
 
         /// <summary>
@@ -549,9 +597,10 @@ public IMultiplicity QueryMultiplicity()
         /// null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617485009541_709355_27528", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Name")]
         public string QueryName()
         {
-            throw new NotImplementedException("Derived property Name not yet supported");
+            return this.ComputeName();
         }
 
         /// <summary>
@@ -559,9 +608,10 @@ public string QueryName()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565501745142_70952_31609", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedAction")]
         public List<IActionUsage> QueryNestedAction()
         {
-            throw new NotImplementedException("Derived property NestedAction not yet supported");
+            return this.ComputeNestedAction();
         }
 
         /// <summary>
@@ -569,9 +619,10 @@ public List<IActionUsage> QueryNestedAction()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611430983774_648557_1053", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedAllocation")]
         public List<IAllocationUsage> QueryNestedAllocation()
         {
-            throw new NotImplementedException("Derived property NestedAllocation not yet supported");
+            return this.ComputeNestedAllocation();
         }
 
         /// <summary>
@@ -579,9 +630,10 @@ public List<IAllocationUsage> QueryNestedAllocation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591152666850_226358_3749", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedAnalysisCase")]
         public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         {
-            throw new NotImplementedException("Derived property NestedAnalysisCase not yet supported");
+            return this.ComputeNestedAnalysisCase();
         }
 
         /// <summary>
@@ -589,9 +641,10 @@ public List<IAnalysisCaseUsage> QueryNestedAnalysisCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591500785349_111324_4486", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedAttribute")]
         public List<IAttributeUsage> QueryNestedAttribute()
         {
-            throw new NotImplementedException("Derived property NestedAttribute not yet supported");
+            return this.ComputeNestedAttribute();
         }
 
         /// <summary>
@@ -599,9 +652,10 @@ public List<IAttributeUsage> QueryNestedAttribute()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1588215112283_215964_632", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedCalculation")]
         public List<ICalculationUsage> QueryNestedCalculation()
         {
-            throw new NotImplementedException("Derived property NestedCalculation not yet supported");
+            return this.ComputeNestedCalculation();
         }
 
         /// <summary>
@@ -609,9 +663,10 @@ public List<ICalculationUsage> QueryNestedCalculation()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591135021853_494751_737", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1588215112283_215964_632")]
+        [Implements(implementation: "IUsage.NestedCase")]
         public List<ICaseUsage> QueryNestedCase()
         {
-            throw new NotImplementedException("Derived property NestedCase not yet supported");
+            return this.ComputeNestedCase();
         }
 
         /// <summary>
@@ -619,9 +674,10 @@ public List<ICaseUsage> QueryNestedCase()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1617051711833_106553_1460", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedConcern")]
         public List<IConcernUsage> QueryNestedConcern()
         {
-            throw new NotImplementedException("Derived property NestedConcern not yet supported");
+            return this.ComputeNestedConcern();
         }
 
         /// <summary>
@@ -631,9 +687,10 @@ public List<IConcernUsage> QueryNestedConcern()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591479754895_422988_1242", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedConnection")]
         public List<IConnectorAsUsage> QueryNestedConnection()
         {
-            throw new NotImplementedException("Derived property NestedConnection not yet supported");
+            return this.ComputeNestedConnection();
         }
 
         /// <summary>
@@ -641,9 +698,10 @@ public List<IConnectorAsUsage> QueryNestedConnection()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578067664051_434365_1774", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedConstraint")]
         public List<IConstraintUsage> QueryNestedConstraint()
         {
-            throw new NotImplementedException("Derived property NestedConstraint not yet supported");
+            return this.ComputeNestedConstraint();
         }
 
         /// <summary>
@@ -651,9 +709,10 @@ public List<IConstraintUsage> QueryNestedConstraint()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1606946589000_158124_239", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591500785349_111324_4486")]
+        [Implements(implementation: "IUsage.NestedEnumeration")]
         public List<IEnumerationUsage> QueryNestedEnumeration()
         {
-            throw new NotImplementedException("Derived property NestedEnumeration not yet supported");
+            return this.ComputeNestedEnumeration();
         }
 
         /// <summary>
@@ -661,9 +720,10 @@ public List<IEnumerationUsage> QueryNestedEnumeration()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624054938718_124518_1464", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedFlow")]
         public List<IFlowUsage> QueryNestedFlow()
         {
-            throw new NotImplementedException("Derived property NestedFlow not yet supported");
+            return this.ComputeNestedFlow();
         }
 
         /// <summary>
@@ -671,9 +731,10 @@ public List<IFlowUsage> QueryNestedFlow()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591498454569_383419_3839", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591479754895_422988_1242")]
+        [Implements(implementation: "IUsage.NestedInterface")]
         public List<IInterfaceUsage> QueryNestedInterface()
         {
-            throw new NotImplementedException("Derived property NestedInterface not yet supported");
+            return this.ComputeNestedInterface();
         }
 
         /// <summary>
@@ -681,9 +742,10 @@ public List<IInterfaceUsage> QueryNestedInterface()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591482421103_284620_2978", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1618943853976_48759_278")]
+        [Implements(implementation: "IUsage.NestedItem")]
         public List<IItemUsage> QueryNestedItem()
         {
-            throw new NotImplementedException("Derived property NestedItem not yet supported");
+            return this.ComputeNestedItem();
         }
 
         /// <summary>
@@ -691,9 +753,10 @@ public List<IItemUsage> QueryNestedItem()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661488589862_120785_2970", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedMetadata")]
         public List<IMetadataUsage> QueryNestedMetadata()
         {
-            throw new NotImplementedException("Derived property NestedMetadata not yet supported");
+            return this.ComputeNestedMetadata();
         }
 
         /// <summary>
@@ -701,9 +764,10 @@ public List<IMetadataUsage> QueryNestedMetadata()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618943853976_48759_278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedOccurrence")]
         public List<IOccurrenceUsage> QueryNestedOccurrence()
         {
-            throw new NotImplementedException("Derived property NestedOccurrence not yet supported");
+            return this.ComputeNestedOccurrence();
         }
 
         /// <summary>
@@ -711,9 +775,10 @@ public List<IOccurrenceUsage> QueryNestedOccurrence()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591496406876_479979_3188", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591482421103_284620_2978")]
+        [Implements(implementation: "IUsage.NestedPart")]
         public List<IPartUsage> QueryNestedPart()
         {
-            throw new NotImplementedException("Derived property NestedPart not yet supported");
+            return this.ComputeNestedPart();
         }
 
         /// <summary>
@@ -721,9 +786,10 @@ public List<IPartUsage> QueryNestedPart()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565494459494_859367_26042", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedPort")]
         public List<IPortUsage> QueryNestedPort()
         {
-            throw new NotImplementedException("Derived property NestedPort not yet supported");
+            return this.ComputeNestedPort();
         }
 
         /// <summary>
@@ -731,9 +797,10 @@ public List<IPortUsage> QueryNestedPort()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591477541360_47573_933", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedReference")]
         public List<IReferenceUsage> QueryNestedReference()
         {
-            throw new NotImplementedException("Derived property NestedReference not yet supported");
+            return this.ComputeNestedReference();
         }
 
         /// <summary>
@@ -741,9 +808,10 @@ public List<IReferenceUsage> QueryNestedReference()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596741501454_147708_6545", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedRendering")]
         public List<IRenderingUsage> QueryNestedRendering()
         {
-            throw new NotImplementedException("Derived property NestedRendering not yet supported");
+            return this.ComputeNestedRendering();
         }
 
         /// <summary>
@@ -751,9 +819,10 @@ public List<IRenderingUsage> QueryNestedRendering()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1583000447195_878123_1244", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1578067664051_434365_1774")]
+        [Implements(implementation: "IUsage.NestedRequirement")]
         public List<IRequirementUsage> QueryNestedRequirement()
         {
-            throw new NotImplementedException("Derived property NestedRequirement not yet supported");
+            return this.ComputeNestedRequirement();
         }
 
         /// <summary>
@@ -761,9 +830,10 @@ public List<IRequirementUsage> QueryNestedRequirement()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1575587743891_973819_756", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565501745142_70952_31609")]
+        [Implements(implementation: "IUsage.NestedState")]
         public List<IStateUsage> QueryNestedState()
         {
-            throw new NotImplementedException("Derived property NestedState not yet supported");
+            return this.ComputeNestedState();
         }
 
         /// <summary>
@@ -771,9 +841,10 @@ public List<IStateUsage> QueryNestedState()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1578597913303_768272_3894", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565472757327_162097_21259")]
+        [Implements(implementation: "IUsage.NestedTransition")]
         public List<ITransitionUsage> QueryNestedTransition()
         {
-            throw new NotImplementedException("Derived property NestedTransition not yet supported");
+            return this.ComputeNestedTransition();
         }
 
         /// <summary>
@@ -782,9 +853,10 @@ public List<ITransitionUsage> QueryNestedTransition()
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_162097_21259", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591217543254_26688_475")]
+        [Implements(implementation: "IUsage.NestedUsage")]
         public List<IUsage> QueryNestedUsage()
         {
-            throw new NotImplementedException("Derived property NestedUsage not yet supported");
+            return this.ComputeNestedUsage();
         }
 
         /// <summary>
@@ -792,9 +864,10 @@ public List<IUsage> QueryNestedUsage()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1621463992900_247262_1080", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedUseCase")]
         public List<IUseCaseUsage> QueryNestedUseCase()
         {
-            throw new NotImplementedException("Derived property NestedUseCase not yet supported");
+            return this.ComputeNestedUseCase();
         }
 
         /// <summary>
@@ -802,9 +875,10 @@ public List<IUseCaseUsage> QueryNestedUseCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596821592100_42801_10499", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591135021853_494751_737")]
+        [Implements(implementation: "IUsage.NestedVerificationCase")]
         public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         {
-            throw new NotImplementedException("Derived property NestedVerificationCase not yet supported");
+            return this.ComputeNestedVerificationCase();
         }
 
         /// <summary>
@@ -812,9 +886,10 @@ public List<IVerificationCaseUsage> QueryNestedVerificationCase()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596644669126_858176_809", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1591496406876_479979_3188")]
+        [Implements(implementation: "IUsage.NestedView")]
         public List<IViewUsage> QueryNestedView()
         {
-            throw new NotImplementedException("Derived property NestedView not yet supported");
+            return this.ComputeNestedView();
         }
 
         /// <summary>
@@ -822,9 +897,10 @@ public List<IViewUsage> QueryNestedView()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1596649930212_443356_3818", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1583000447195_878123_1244")]
+        [Implements(implementation: "IUsage.NestedViewpoint")]
         public List<IViewpointUsage> QueryNestedViewpoint()
         {
-            throw new NotImplementedException("Derived property NestedViewpoint not yet supported");
+            return this.ComputeNestedViewpoint();
         }
 
         /// <summary>
@@ -835,9 +911,10 @@ public List<IViewpointUsage> QueryNestedViewpoint()
         [Property(xmiId: "_19_0_4_12e503d9_1618943843466_158863_236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_2_12e503d9_1591477641252_179221_958")]
         [RedefinedByProperty("IActionUsage.ActionDefinition")]
+        [Implements(implementation: "IOccurrenceUsage.OccurrenceDefinition")]
         public List<IClass> QueryOccurrenceDefinition()
         {
-            throw new NotImplementedException("Derived property OccurrenceDefinition not yet supported");
+            return this.ComputeOccurrenceDefinition();
         }
 
         /// <summary>
@@ -845,9 +922,10 @@ public List<IClass> QueryOccurrenceDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_365618_43170", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IType.Output")]
         public List<IFeature> QueryOutput()
         {
-            throw new NotImplementedException("Derived property Output not yet supported");
+            return this.ComputeOutput();
         }
 
         /// <summary>
@@ -857,9 +935,10 @@ public List<IFeature> QueryOutput()
         [Property(xmiId: "_19_0_2_12e503d9_1594152527165_702130_2500", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543094430277_599480_18543")]
+        [Implements(implementation: "IElement.OwnedAnnotation")]
         public List<IAnnotation> QueryOwnedAnnotation()
         {
-            throw new NotImplementedException("Derived property OwnedAnnotation not yet supported");
+            return this.ComputeOwnedAnnotation();
         }
 
         /// <summary>
@@ -868,9 +947,10 @@ public List<IAnnotation> QueryOwnedAnnotation()
         [Property(xmiId: "_19_0_2_12e503d9_1575482646809_280165_440", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1575482490144_309557_300")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedConjugator")]
         public IConjugation QueryOwnedConjugator()
         {
-            throw new NotImplementedException("Derived property OwnedConjugator not yet supported");
+            return this.ComputeOwnedConjugator();
         }
 
         /// <summary>
@@ -879,9 +959,10 @@ public IConjugation QueryOwnedConjugator()
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1689616916594_145818_277", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedCrossSubsetting")]
         public ICrossSubsetting QueryOwnedCrossSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedCrossSubsetting not yet supported");
+            return this.ComputeOwnedCrossSubsetting();
         }
 
         /// <summary>
@@ -891,9 +972,10 @@ public ICrossSubsetting QueryOwnedCrossSubsetting()
         [Property(xmiId: "_19_0_4_b9102da_1661871168454_98082_797", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedDifferencing")]
         public List<IDifferencing> QueryOwnedDifferencing()
         {
-            throw new NotImplementedException("Derived property OwnedDifferencing not yet supported");
+            return this.ComputeOwnedDifferencing();
         }
 
         /// <summary>
@@ -903,9 +985,10 @@ public List<IDifferencing> QueryOwnedDifferencing()
         [Property(xmiId: "_19_0_4_12e503d9_1627447519613_145554_370", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623183194914_502526_616")]
+        [Implements(implementation: "IType.OwnedDisjoining")]
         public List<IDisjoining> QueryOwnedDisjoining()
         {
-            throw new NotImplementedException("Derived property OwnedDisjoining not yet supported");
+            return this.ComputeOwnedDisjoining();
         }
 
         /// <summary>
@@ -913,9 +996,10 @@ public List<IDisjoining> QueryOwnedDisjoining()
         /// this Element.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_112608_17278", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.OwnedElement")]
         public List<IElement> QueryOwnedElement()
         {
-            throw new NotImplementedException("Derived property OwnedElement not yet supported");
+            return this.ComputeOwnedElement();
         }
 
         /// <summary>
@@ -924,9 +1008,10 @@ public List<IElement> QueryOwnedElement()
         [Property(xmiId: "_18_5_3_12e503d9_1563834516278_687758_20652", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1562476168385_824569_22106")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_226999_43167")]
+        [Implements(implementation: "IType.OwnedEndFeature")]
         public List<IFeature> QueryOwnedEndFeature()
         {
-            throw new NotImplementedException("Derived property OwnedEndFeature not yet supported");
+            return this.ComputeOwnedEndFeature();
         }
 
         /// <summary>
@@ -934,9 +1019,10 @@ public List<IFeature> QueryOwnedEndFeature()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_226999_43167", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IType.OwnedFeature")]
         public List<IFeature> QueryOwnedFeature()
         {
-            throw new NotImplementedException("Derived property OwnedFeature not yet supported");
+            return this.ComputeOwnedFeature();
         }
 
         /// <summary>
@@ -946,9 +1032,10 @@ public List<IFeature> QueryOwnedFeature()
         [Property(xmiId: "_19_0_4_b9102da_1622125589880_791465_72", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IFeature.OwnedFeatureChaining")]
         public List<IFeatureChaining> QueryOwnedFeatureChaining()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureChaining not yet supported");
+            return this.ComputeOwnedFeatureChaining();
         }
 
         /// <summary>
@@ -958,9 +1045,10 @@ public List<IFeatureChaining> QueryOwnedFeatureChaining()
         [Property(xmiId: "_19_0_4_b9102da_1653567738671_359235_43", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_b9102da_1623178838861_768019_145")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedFeatureInverting")]
         public List<IFeatureInverting> QueryOwnedFeatureInverting()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureInverting not yet supported");
+            return this.ComputeOwnedFeatureInverting();
         }
 
         /// <summary>
@@ -970,9 +1058,10 @@ public List<IFeatureInverting> QueryOwnedFeatureInverting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674960_868417_43171", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1651076866512_962346_485")]
+        [Implements(implementation: "IType.OwnedFeatureMembership")]
         public List<IFeatureMembership> QueryOwnedFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwnedFeatureMembership not yet supported");
+            return this.ComputeOwnedFeatureMembership();
         }
 
         /// <summary>
@@ -982,9 +1071,10 @@ public List<IFeatureMembership> QueryOwnedFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674974_746786_43247", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "INamespace.OwnedImport")]
         public List<IImport> QueryOwnedImport()
         {
-            throw new NotImplementedException("Derived property OwnedImport not yet supported");
+            return this.ComputeOwnedImport();
         }
 
         /// <summary>
@@ -993,9 +1083,10 @@ public List<IImport> QueryOwnedImport()
         [Property(xmiId: "_19_0_4_b9102da_1623242552144_910757_524", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IType.OwnedIntersecting")]
         public List<IIntersecting> QueryOwnedIntersecting()
         {
-            throw new NotImplementedException("Derived property OwnedIntersecting not yet supported");
+            return this.ComputeOwnedIntersecting();
         }
 
         /// <summary>
@@ -1004,9 +1095,10 @@ public List<IIntersecting> QueryOwnedIntersecting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674979_259543_43268", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_644335_43267")]
+        [Implements(implementation: "INamespace.OwnedMember")]
         public List<IElement> QueryOwnedMember()
         {
-            throw new NotImplementedException("Derived property OwnedMember not yet supported");
+            return this.ComputeOwnedMember();
         }
 
         /// <summary>
@@ -1017,9 +1109,10 @@ public List<IElement> QueryOwnedMember()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674962_198288_43183")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "INamespace.OwnedMembership")]
         public List<IMembership> QueryOwnedMembership()
         {
-            throw new NotImplementedException("Derived property OwnedMembership not yet supported");
+            return this.ComputeOwnedMembership();
         }
 
         /// <summary>
@@ -1028,9 +1121,10 @@ public List<IMembership> QueryOwnedMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_161813_43220", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedRedefinition")]
         public List<IRedefinition> QueryOwnedRedefinition()
         {
-            throw new NotImplementedException("Derived property OwnedRedefinition not yet supported");
+            return this.ComputeOwnedRedefinition();
         }
 
         /// <summary>
@@ -1039,9 +1133,10 @@ public List<IRedefinition> QueryOwnedRedefinition()
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1661555161564_247405_255", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674970_472382_43221")]
+        [Implements(implementation: "IFeature.OwnedReferenceSubsetting")]
         public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedReferenceSubsetting not yet supported");
+            return this.ComputeOwnedReferenceSubsetting();
         }
 
         /// <summary>
@@ -1049,6 +1144,7 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092026091_217766_16748", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwnedRelationship")]
         public List<IRelationship> OwnedRelationship { get; set; }
 
         /// <summary>
@@ -1058,9 +1154,10 @@ public IReferenceSubsetting QueryOwnedReferenceSubsetting()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674959_579676_43168", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674984_558067_43292")]
+        [Implements(implementation: "IType.OwnedSpecialization")]
         public List<ISpecialization> QueryOwnedSpecialization()
         {
-            throw new NotImplementedException("Derived property OwnedSpecialization not yet supported");
+            return this.ComputeOwnedSpecialization();
         }
 
         /// <summary>
@@ -1070,9 +1167,10 @@ public List<ISpecialization> QueryOwnedSpecialization()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_472382_43221", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674966_718145_43205")]
+        [Implements(implementation: "IFeature.OwnedSubsetting")]
         public List<ISubsetting> QueryOwnedSubsetting()
         {
-            throw new NotImplementedException("Derived property OwnedSubsetting not yet supported");
+            return this.ComputeOwnedSubsetting();
         }
 
         /// <summary>
@@ -1082,9 +1180,10 @@ public List<ISubsetting> QueryOwnedSubsetting()
         [Property(xmiId: "_19_0_4_12e503d9_1603905673975_310948_762", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603904928950_196800_580")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
+        [Implements(implementation: "IFeature.OwnedTypeFeaturing")]
         public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         {
-            throw new NotImplementedException("Derived property OwnedTypeFeaturing not yet supported");
+            return this.ComputeOwnedTypeFeaturing();
         }
 
         /// <summary>
@@ -1094,9 +1193,10 @@ public List<ITypeFeaturing> QueryOwnedTypeFeaturing()
         [Property(xmiId: "_19_0_2_12e503d9_1596597427751_965862_42", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_579676_43168")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543180501615_804591_21100")]
+        [Implements(implementation: "IFeature.OwnedTyping")]
         public List<IFeatureTyping> QueryOwnedTyping()
         {
-            throw new NotImplementedException("Derived property OwnedTyping not yet supported");
+            return this.ComputeOwnedTyping();
         }
 
         /// <summary>
@@ -1105,9 +1205,10 @@ public List<IFeatureTyping> QueryOwnedTyping()
         [Property(xmiId: "_19_0_4_b9102da_1661869978505_968809_460", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092026091_217766_16748")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674971_80547_43227")]
+        [Implements(implementation: "IType.OwnedUnioning")]
         public List<IUnioning> QueryOwnedUnioning()
         {
-            throw new NotImplementedException("Derived property OwnedUnioning not yet supported");
+            return this.ComputeOwnedUnioning();
         }
 
         /// <summary>
@@ -1115,9 +1216,10 @@ public List<IUnioning> QueryOwnedUnioning()
         /// Element, if any.
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1543092869879_744477_17277", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.Owner")]
         public IElement QueryOwner()
         {
-            throw new NotImplementedException("Derived property Owner not yet supported");
+            return this.ComputeOwner();
         }
 
         /// <summary>
@@ -1126,9 +1228,10 @@ public IElement QueryOwner()
         [Property(xmiId: "_18_5_3_12e503d9_1565479686638_420576_23237", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1565498571495_18876_27787")]
+        [Implements(implementation: "IUsage.OwningDefinition")]
         public IDefinition QueryOwningDefinition()
         {
-            throw new NotImplementedException("Derived property OwningDefinition not yet supported");
+            return this.ComputeOwningDefinition();
         }
 
         /// <summary>
@@ -1136,9 +1239,10 @@ public IDefinition QueryOwningDefinition()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674970_68441_43223", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674972_622493_43236")]
+        [Implements(implementation: "IFeature.OwningFeatureMembership")]
         public IFeatureMembership QueryOwningFeatureMembership()
         {
-            throw new NotImplementedException("Derived property OwningFeatureMembership not yet supported");
+            return this.ComputeOwningFeatureMembership();
         }
 
         /// <summary>
@@ -1147,9 +1251,10 @@ public IFeatureMembership QueryOwningFeatureMembership()
         [Property(xmiId: "_18_5_3_12e503d9_1533160674972_622493_43236", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674973_469277_43243")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_482273_43303")]
+        [Implements(implementation: "IElement.OwningMembership")]
         public IOwningMembership QueryOwningMembership()
         {
-            throw new NotImplementedException("Derived property OwningMembership not yet supported");
+            return this.ComputeOwningMembership();
         }
 
         /// <summary>
@@ -1158,9 +1263,10 @@ public IOwningMembership QueryOwningMembership()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_474739_43306", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674980_717955_43271")]
+        [Implements(implementation: "IElement.OwningNamespace")]
         public INamespace QueryOwningNamespace()
         {
-            throw new NotImplementedException("Derived property OwningNamespace not yet supported");
+            return this.ComputeOwningNamespace();
         }
 
         /// <summary>
@@ -1168,6 +1274,7 @@ public INamespace QueryOwningNamespace()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674986_482273_43303", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674961_585972_43176")]
+        [Implements(implementation: "IElement.OwningRelationship")]
         public IRelationship OwningRelationship { get; set; }
 
         /// <summary>
@@ -1177,9 +1284,10 @@ public INamespace QueryOwningNamespace()
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674987_297074_43308")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674986_474739_43306")]
         [SubsettedProperty(propertyName: "_19_0_4_12e503d9_1603905619975_304385_743")]
+        [Implements(implementation: "IFeature.OwningType")]
         public IType QueryOwningType()
         {
-            throw new NotImplementedException("Derived property OwningType not yet supported");
+            return this.ComputeOwningType();
         }
 
         /// <summary>
@@ -1187,9 +1295,10 @@ public IType QueryOwningType()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1565472757327_504924_21260", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674965_592215_43200")]
+        [Implements(implementation: "IUsage.OwningUsage")]
         public IUsage QueryOwningUsage()
         {
-            throw new NotImplementedException("Derived property OwningUsage not yet supported");
+            return this.ComputeOwningUsage();
         }
 
         /// <summary>
@@ -1198,9 +1307,10 @@ public IUsage QueryOwningUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1595189174990_213826_657", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedProperty(propertyName: "_19_0_4_12e503d9_1623952188842_882068_37169")]
+        [Implements(implementation: "IStep.Parameter")]
         public List<IFeature> QueryParameter()
         {
-            throw new NotImplementedException("Derived property Parameter not yet supported");
+            return this.ComputeParameter();
         }
 
         /// <summary>
@@ -1209,6 +1319,7 @@ public List<IFeature> QueryParameter()
         /// OccurrenceUsage represents portions of the featuring instance of the owningType.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1618959362712_182798_7138", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: false, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IOccurrenceUsage.PortionKind")]
         public PortionKind PortionKind { get; set; }
 
         /// <summary>
@@ -1220,9 +1331,10 @@ public List<IFeature> QueryParameter()
         /// then the qualifiedName is null for all such Elements other than the first.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1611356604987_900871_594", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.QualifiedName")]
         public string QueryQualifiedName()
         {
-            throw new NotImplementedException("Derived property QualifiedName not yet supported");
+            return this.ComputeQualifiedName();
         }
 
         /// <summary>
@@ -1232,9 +1344,10 @@ public string QueryQualifiedName()
         /// when the declaredName is null.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1673496405504_544235_24", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IElement.ShortName")]
         public string QueryShortName()
         {
-            throw new NotImplementedException("Derived property ShortName not yet supported");
+            return this.ComputeShortName();
         }
 
         /// <summary>
@@ -1243,9 +1356,10 @@ public string QueryShortName()
         [Property(xmiId: "_19_0_2_12e503d9_1594154758493_640290_3388", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_19_0_2_12e503d9_1594145755059_76214_87")]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1543092869879_112608_17278")]
+        [Implements(implementation: "IElement.TextualRepresentation")]
         public List<ITextualRepresentation> QueryTextualRepresentation()
         {
-            throw new NotImplementedException("Derived property TextualRepresentation not yet supported");
+            return this.ComputeTextualRepresentation();
         }
 
         /// <summary>
@@ -1256,9 +1370,10 @@ public List<ITextualRepresentation> QueryTextualRepresentation()
         /// </summary>
         [Property(xmiId: "_18_5_3_12e503d9_1533160674969_376003_43216", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [RedefinedByProperty("IUsage.Definition")]
+        [Implements(implementation: "IFeature.Type")]
         public List<IType> QueryType()
         {
-            throw new NotImplementedException("Derived property Type not yet supported");
+            return this.ComputeType();
         }
 
         /// <summary>
@@ -1269,9 +1384,10 @@ public List<IType> QueryType()
         /// same ways as people in general.
         /// </summary>
         [Property(xmiId: "_19_0_4_b9102da_1661974896766_783268_1231", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IType.UnioningType")]
         public List<IType> QueryUnioningType()
         {
-            throw new NotImplementedException("Derived property UnioningType not yet supported");
+            return this.ComputeUnioningType();
         }
 
         /// <summary>
@@ -1279,9 +1395,10 @@ public List<IType> QueryUnioningType()
         /// performed. It is the (optional) third owned parameter of the WhileLoopActionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624290717721_449719_4195", aggregation: AggregationKind.None, lowerValue: 0, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IWhileLoopActionUsage.UntilArgument")]
         public IExpression QueryUntilArgument()
         {
-            throw new NotImplementedException("Derived property UntilArgument not yet supported");
+            return this.ComputeUntilArgument();
         }
 
         /// <summary>
@@ -1289,9 +1406,10 @@ public IExpression QueryUntilArgument()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1591217543254_26688_475", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: true, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674959_326391_43166")]
+        [Implements(implementation: "IUsage.Usage")]
         public List<IUsage> QueryUsage()
         {
-            throw new NotImplementedException("Derived property Usage not yet supported");
+            return this.ComputeUsage();
         }
 
         /// <summary>
@@ -1300,9 +1418,10 @@ public List<IUsage> QueryUsage()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979649160_380466_999", aggregation: AggregationKind.None, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_259543_43268")]
+        [Implements(implementation: "IUsage.Variant")]
         public List<IUsage> QueryVariant()
         {
-            throw new NotImplementedException("Derived property Variant not yet supported");
+            return this.ComputeVariant();
         }
 
         /// <summary>
@@ -1311,9 +1430,10 @@ public List<IUsage> QueryVariant()
         /// </summary>
         [Property(xmiId: "_19_0_2_12e503d9_1590979136735_982171_914", aggregation: AggregationKind.Composite, lowerValue: 0, upperValue: int.MaxValue, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
         [SubsettedProperty(propertyName: "_18_5_3_12e503d9_1533160674979_190614_43269")]
+        [Implements(implementation: "IUsage.VariantMembership")]
         public List<IVariantMembership> QueryVariantMembership()
         {
-            throw new NotImplementedException("Derived property VariantMembership not yet supported");
+            return this.ComputeVariantMembership();
         }
 
         /// <summary>
@@ -1321,9 +1441,10 @@ public List<IVariantMembership> QueryVariantMembership()
         /// performed. It is the first owned parameter of the WhileLoopActionUsage.
         /// </summary>
         [Property(xmiId: "_19_0_4_12e503d9_1624203871924_371126_3842", aggregation: AggregationKind.None, lowerValue: 1, upperValue: 1, isOrdered: false, isReadOnly: false, isDerived: true, isDerivedUnion: false, isUnique: true, defaultValue: null)]
+        [Implements(implementation: "IWhileLoopActionUsage.WhileArgument")]
         public IExpression QueryWhileArgument()
         {
-            throw new NotImplementedException("Derived property WhileArgument not yet supported");
+            return this.ComputeWhileArgument();
         }
 
     }
diff --git a/SysML2.NET/Decorators/ImplementsAttribute.cs b/SysML2.NET/Decorators/ImplementsAttribute.cs
index 283d7972..1558db1c 100644
--- a/SysML2.NET/Decorators/ImplementsAttribute.cs
+++ b/SysML2.NET/Decorators/ImplementsAttribute.cs
@@ -26,7 +26,7 @@ namespace SysML2.NET.Decorators
     /// Attribute used to decorate properties with to indicate which class/property
     /// is being implemented
     /// </summary>
-    [AttributeUsage(AttributeTargets.Property, AllowMultiple = false)]
+    [AttributeUsage(AttributeTargets.Property | AttributeTargets.Method, AllowMultiple = false)]
     public sealed class ImplementsAttribute : Attribute
     {
         /// <summary>